MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://gimoguvi.ru/123?utm_term=social+media+image+sizes+guide+2018 PDF link annotation
- https://cdn.sqhk.co/regomesu/QhfiaXE/dajesefupabivu.pdfIn PDF document text
- https://cdn.sqhk.co/goluxewimabu/jfjgSck/gibuzeku.pdfIn PDF document text
- https://baxemazone.weebly.com/uploads/1/3/0/7/130739829/3863378.pdfIn PDF document text
- https://banafazag.weebly.com/uploads/1/3/4/3/134325205/bbe84b09915f9bb.pdfIn PDF document text
- https://cdn.sqhk.co/xulawajikigi/idwhLgi/ropaminigiguzamu.pdfIn PDF document text
- https://cdn.sqhk.co/nudofarus/gcnaihQ/galenitisugelotafemozu.pdfIn PDF document text
- https://cdn.sqhk.co/xinovupu/cjdjCWs/smash_brothers_warriors.pdfIn PDF document text
- https://povoxiguda.weebly.com/uploads/1/3/4/0/134016665/7ef7225.pdfIn PDF document text
- http://goldstein.capital/903173039117lwkt.pdfIn PDF document text
- https://cdn.sqhk.co/wagomito/lyjgghq/81520763897.pdfIn PDF document text
- https://nojefawagalubab.weebly.com/uploads/1/3/4/2/134266261/zuvuxunof.pdfIn PDF document text
- https://cdn.sqhk.co/zanaforare/hhhcTky/95347144724.pdfIn PDF document text
- https://cdn.sqhk.co/wunasesev/MghgbUh/download_cat_simulator_online_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/pumopivosoba/lgdMjae/nevafukemewelulumimo.pdfIn PDF document text
- http://airbin.top/adobe_analytics_training3k59a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://poguruwaxurif.rf.gd/59513174037.pdfIn PDF document text
- http://bolutiso.epizy.com/dadododagenirevezafeje.pdfIn PDF document text
- https://850a36a1-966c-46c3-86ed-e15bcb5778a7.filesusr.com/ugd/ede58b_acd513a0f3774672934b6fb73c6b915a.pdf?index=trueIn PDF document text
- http://kutifakibidi.rf.gd/pamiduku.pdfIn PDF document text
- http://suredutika.rf.gd/lavesapevivapitipava.pdfIn PDF document text
- https://1a73feee-b327-4bc5-ac54-9d367b44a425.filesusr.com/ugd/226baa_a9a8fb38c4424c20b5a0b63eb28afbb3.pdf?index=trueIn PDF document text
- https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_ee4d145fcd074380a6a95ee7bd92c578.pdf?index=trueIn PDF document text
- https://6998e30b-c911-4113-ab34-4c15204891c7.filesusr.com/ugd/429b25_7ffcf00a76df44e98b65d0fb78e960a3.pdf?index=trueIn PDF document text
- http://vonolukover.epizy.com/19303624190.pdfIn PDF document text
- https://e86c6366-0652-46cb-9e1f-5633a133dba9.filesusr.com/ugd/510a18_a02321c6ea464e2982f48a6df9686081.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_off0000ff15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF15 | 5836 bytes |
SHA-256: bc1131979b878d8df122f39fd3cf3d4b6cb27edb4c9eed897e4d0700000584ed |
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font_01_sfnt_off000112eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112EB | 10680 bytes |
SHA-256: 0282b832a57ab23ccdb631857d4670172250567da3f647ae0f8309131f3d5ff1 |
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