MALICIOUS
186
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. 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 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://xezojetit.ru/wix?keyword=a+pocket+naturalist+guide PDF link annotation
- http://kurs1.xyz/103833905003jd82.pdfIn PDF document text
- http://lnstagram-helping.live/cloudformation_template_kinesis_firehose9onpd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380210/normal_6015dca64148d.pdfIn PDF document text
- https://jugijivarute.weebly.com/uploads/1/3/4/6/134620481/5159a165.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446259/normal_6000348895dda.pdfIn PDF document text
- https://fisezogidegogef.weebly.com/uploads/1/3/2/3/132303301/8f02a7c5200a.pdfIn PDF document text
- http://pitushok.fun/worksheet_interpreting_graphs_linear_motion_answer_keyb3qo6.pdfIn PDF document text
- https://sunejojixin.weebly.com/uploads/1/3/1/0/131071277/ganumu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388041/normal_6048189740e57.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/5d55908a-0711-462a-b87f-7f539bc6340d/tezaxo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f269b25-51b6-4605-a02a-3db95b744f5f/los_siete_hbitos_de_la_gente_altamente_efectiva_stephen_covey_resumen.pdfIn PDF document text
- https://4a1cfc67-5981-466d-a13b-75576fe7431f.filesusr.com/ugd/64e449_a0fd5a6f31bb423db6234d920c93850b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e1a0f6eb-1653-4e50-9ba9-486bddbd075c/dorirupeberoxosixonir.pdfIn PDF document text
- https://df6a9abb-74f3-47e1-b359-fe6d1019da36.filesusr.com/ugd/7921d2_0e939d849ee34dd2bd0c70bcba82a38d.pdf?index=trueIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_7a2051f603884531b74309f95c7d4d3a.pdf?index=trueIn PDF document text
- https://2f60c0de-bae8-48d8-8f3f-ce7907f87c52.filesusr.com/ugd/badafb_354ec1fc44404f61b1435bc381a7ba9b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f7c5b7d7-41e0-45ab-b89a-63300889a73c/ge_adora_refrigerator_water_filter_replacement_instructions.pdfIn PDF document text
- https://b962d5b8-8819-42e3-9ba3-d95e8366760e.filesusr.com/ugd/f51585_01bb911ebafa44edbc3d08f55853fa76.pdf?index=trueIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_aa954a38fa1e473e9d7a38fc56062964.pdf?index=trueIn PDF document text
- https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_06cc1764a0464fb284dd3f8d53ad5608.pdf?index=trueIn PDF document text
- https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_cd01e7cd6b1a415580905999394f62fc.pdf?index=trueIn PDF document text
- https://d4180a97-8dd0-4bf1-9e2f-d1b128d1a64d.filesusr.com/ugd/ae059d_dd55e0feb6a84f7fa0f8dd52a91f7285.pdf?index=trueIn PDF document text
- https://abbf68a8-5b21-4996-91be-11266bd273ed.filesusr.com/ugd/9374a7_8d49d8170e84430f9a4edd9dd8a0bac1.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_off0000cdb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDB4 | 5292 bytes |
SHA-256: 8b2f347b5ce7ac6588537f27f88eddb1f529bfd539b59457fc3420c1fb1e0bcc |
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font_01_sfnt_off0000dfc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC3 | 11256 bytes |
SHA-256: ff14adf97c485a7454c4a54ca18bb2fe29c22be8813fe817f31710c7a276a001 |
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