MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially malicious content. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure for a questionnaire download, which is a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://crewmak.ru/pbw?utm_term=maslach+burnout+inventory+questionnaire+free+download PDF link annotation
- https://woxogobigevi.weebly.com/uploads/1/3/0/8/130814596/favuvufuvaz-mexikaburutul-gowanopu.pdfIn PDF document text
- https://milalidit.weebly.com/uploads/1/3/1/4/131437162/noxepuliwor_vokowiwuxos_gaxesiredasu.pdfIn PDF document text
- https://pumaxodevuk.weebly.com/uploads/1/3/1/8/131872084/rusawupevu.pdfIn PDF document text
- https://gimeboxevamovuv.weebly.com/uploads/1/3/4/4/134494840/tidozibatutaw.pdfIn PDF document text
- https://zemexiwo.weebly.com/uploads/1/3/4/3/134321437/1be4165bc3.pdfIn PDF document text
- https://zapizurur.weebly.com/uploads/1/3/4/9/134900478/lanurerevuwo-gebati-kofuwoner-vigike.pdfIn PDF document text
- https://rotowuvusokij.weebly.com/uploads/1/3/4/8/134884207/1680c60c0e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://letonepamusi.pbworks.com/w/file/fetch/144648642/57887298695.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1da69861-d8ee-4c71-a22d-321a85892cae/binejolitobo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02ce91a5-c03d-4194-be3e-abc58ed039a8/bertrand_russell_philosophy.pdfIn PDF document text
- http://pebegijopolo.pbworks.com/f/palivetuxudoti.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/281d5723-ae91-43aa-8c4c-978601a9df27/32021287190.pdfIn PDF document text
- http://tukufidanega.pbworks.com/w/file/fetch/144914022/the_diary_of_basketball.pdfIn PDF document text
- http://wijozuzapusa.pbworks.com/f/how_to_open_a_maytag_bravos_washer_for_repair.pdfIn PDF document text
- http://lomubel.pbworks.com/w/file/fetch/144495591/fidogaxiridujuxoditodunoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7c12a5e-d8c1-4c2a-9193-d40121b6f933/ashton_kutcher_height.pdfIn PDF document text
- http://bezawagiga.pbworks.com/w/file/fetch/144745008/amazon_fire_stick_remote_instructions.pdfIn PDF document text
- http://midevodimu.pbworks.com/f/dakijorepolixupojo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bdd839e6-c807-4ee5-a1cd-783f383805cd/stanley_1200a_peak_jump_starter_power_station_w_500_watt_inverter_j5cpd.pdfIn 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_off0000f019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF019 | 5632 bytes |
SHA-256: 19fda3cfee7648d9421321f581429ba5a360cfde34d2f6d862721c2ac543f2ab |
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font_01_sfnt_off00010355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10355 | 10640 bytes |
SHA-256: 0621686ea56ea5400b980fbf9ca04f8f12b874c5cf6f10cf7fc19bd881042f63 |
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