MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier. It contains a link farm with numerous external links, many pointing to disposable hosting, and specifically includes a credential phishing lure impersonating Microsoft. The document body, though heavily obfuscated, contains text related to job searches, likely a pretext for the phishing links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://liberiloro.weebly.com/uploads/1/3/4/5/134589576/616a8647a.pdf.
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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://resalured.ru/award?keyword=assistant+educational+psychologist+jobs+london PDF link annotation
- https://cdn.sqhk.co/zegegajugot/4XiblZS/hearthstone_meta_report_august_2019.pdfIn PDF document text
- https://cdn.sqhk.co/texojijoraso/1E58tiG/follower_count_twitch_streamlabs.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368736/normal_6005ae6cc1f38.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495387/normal_60032d68b247a.pdfIn PDF document text
- https://cdn.sqhk.co/mekaxosur/ijjaig9/male_wolf_reader_x_rwby_wattpad.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477629/normal_5fe4f1857dd46.pdfIn PDF document text
- https://liberiloro.weebly.com/uploads/1/3/4/5/134589576/616a8647a.pdfIn PDF document text
- https://cdn.sqhk.co/vupapevixu/cij2hbU/tumonifibutisiw.pdfIn PDF document text
- https://vemosigexirapi.weebly.com/uploads/1/3/4/3/134387812/8448162.pdfIn PDF document text
- https://cdn.sqhk.co/noperizapewo/jCqLMgi/81805042752.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381340/normal_602cdfa186b74.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483097/normal_60232d3ba8ac0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nugafafekovad.epizy.com/90682642726.pdfIn PDF document text
- http://wegupowir.rf.gd/303_tricky_chess_tactics_free.pdfIn PDF document text
- https://5c817321-7c0c-448b-959d-deb1da9fd788.filesusr.com/ugd/19103d_7df76ba1cd304b82b8516b8c7da353cb.pdf?index=trueIn PDF document text
- https://d86ad34a-7df2-4f47-937b-a12ab5abc0fa.filesusr.com/ugd/8cbfce_6ad119402ba64991a4fcf0aa41a3b39d.pdf?index=trueIn PDF document text
- https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_7760fcbeadd342069d82695c4bd834f3.pdf?index=trueIn PDF document text
- https://cee4a208-09ac-40e0-983f-4c2cc776acbe.filesusr.com/ugd/5ed537_abb4cd91ddb84bc8a3135931314a0f06.pdf?index=trueIn PDF document text
- http://xegunapajom.epizy.com/35595400225.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_off000123eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EB | 5544 bytes |
SHA-256: 865f0282c0ea681bc6b0b0ffec5de90135fd046dee066eb6496d7c2ec02f0242 |
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font_01_sfnt_off000136cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136CF | 10476 bytes |
SHA-256: 569307a676f6aca4b47801abe24c7cc87e171556743cff3671ff88094ee2e100 |
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