MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a callback-phone (TOAD) lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://jottigo.ru/strik?utm_term=how+to+test+schumacher+battery+charger PDF link annotation
- https://bevoparekev.weebly.com/uploads/1/3/4/0/134018333/nawukujevarebo-xudokufusa-wisokisuti.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386095/normal_5feeb45a27908.pdfIn PDF document text
- http://jenuxijaf.mygamesonline.org/machine_learning_book_stanford.pdfIn PDF document text
- https://fubewewafipox.weebly.com/uploads/1/3/0/8/130874235/35db7cb1ff010.pdfIn PDF document text
- https://pafutidosuzov.weebly.com/uploads/1/3/5/9/135989867/tiwibavoj.pdfIn PDF document text
- https://xumizobizuzu.weebly.com/uploads/1/3/4/6/134688834/fomebaki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451929/normal_6004b714d8bdb.pdfIn PDF document text
- https://mogawurid.weebly.com/uploads/1/3/4/0/134042680/giruj-latarujop-babijujorixabi-pimuvuzag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452608/normal_5fd1c061539db.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4e33067b-0f13-4bed-bb9c-ea95f768fd7c.filesusr.com/ugd/23924c_7500456e28eb497baf999509c1839544.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6855bd5d-48f0-4818-8378-4255b5c9d45d/arundhati_roy_the_ministry_of_utmost_happiness_quotes.pdfIn PDF document text
- https://354df738-7a8c-4643-bdcd-aa58f7c4bd0c.filesusr.com/ugd/69cf62_60e7fd5400d34dfdb5c29ae3344aa398.pdf?index=trueIn PDF document text
- http://xogijowag.onlinewebshop.net/marlin_336_dark_series_accessories.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5de88973-03f0-40b3-814b-48e63abfc56e/5748422054.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/182baabe-ad2b-4b06-8b54-ea1582cd94b8/missing_411_movie_rotten_tomatoes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16ec5c74-aa27-4957-8cb3-511db95a118b/puzasibidabagezoserum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59d5faf1-f2d6-4ed8-b549-fe52b74b26ce/110478761.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae9a1666-a507-4a64-8c14-e1988d30eb80/acer_aspire_e_15_2018_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00493741-cc4e-40c9-a3b0-f078abf906a2/panasonic_dmc-zs40_firmware_update.pdfIn PDF document text
- https://5e446c31-fcb6-4427-a178-91ee45bbff8b.filesusr.com/ugd/4e76b8_8c4143fe65204dc1a40bf69785deb4d3.pdf?index=trueIn PDF document text
- https://3abcc933-4059-444f-8e65-7077e95f005f.filesusr.com/ugd/44645f_b486b5ccc96b4af09ab6dba19d38bd85.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2d2b526f-5818-43b1-adbe-890fe5320b2f/2857013879.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c481b927-6100-4307-b20d-1e36b93958ce/vikefokozabofolagofufuxik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b258465f-0718-4fa1-a132-d32483321872/which_roomba_is_best.pdfIn PDF document text
- https://69b12d55-863e-458e-a545-ad358ed6bd1a.filesusr.com/ugd/a9642c_d2c2d7dafda247358a63688f94c71b13.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000110aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AA | 5476 bytes |
SHA-256: 7c3dfdc94f7c0e29cdcf3664f001103d5d4fa119d2f5b2114611fd8a4c098fc8 |
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font_01_sfnt_off00012338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12338 | 10740 bytes |
SHA-256: f8d31d0a48d90a10d9ca8db493a2452a132c71ce4be128b12b2cfeb0e08e5db7 |
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