MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs, with at least 30 links identified. The presence of disposable hosting and UTM parameters in some URLs suggests a phishing or malware distribution campaign. No scripts were extracted, but the primary attack pattern involves redirecting users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://midufefew.ru/strik?utm_term=psychology+4th+edition+schacter+pdf PDF link annotation
- https://cdn.sqhk.co/kokojisip/gfwvjhb/max_guides_for_clash_of_clans_wall.pdfIn PDF document text
- https://rejobasagiletez.weebly.com/uploads/1/3/4/6/134642313/285144.pdfIn PDF document text
- https://cdn.sqhk.co/ketejeti/jAkicCi/lifavif.pdfIn PDF document text
- https://cdn.sqhk.co/devepogisog/giPqfzG/tie_dye_patterns_for_masks.pdfIn PDF document text
- https://cdn.sqhk.co/kizajituxab/4jd20zh/guess_the_sing_music_quiz_game.pdfIn PDF document text
- https://cdn.sqhk.co/gebitasixa/sj5ihhh/fufijomu.pdfIn PDF document text
- https://cdn.sqhk.co/fugolamudara/d3jljjb/mumofovanavan.pdfIn PDF document text
- https://cdn.sqhk.co/juwafajem/hhIiahj/moto_racing_3d_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/vetukalujir/1oP3Ekr/virtual_beggar_hack_apk_download.pdfIn PDF document text
- https://debivozujorebol.weebly.com/uploads/1/3/0/8/130813616/9d55d84af70ba71.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c145ee04-3c3b-4786-8b94-e0511401b322.filesusr.com/ugd/de65f7_1fa9c04e20ff4fe1b48bed77b919d368.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gebukil/dezupevevojaw.pdfIn PDF document text
- https://s3.amazonaws.com/lodazojamuva/3259567563.pdfIn PDF document text
- https://s3.amazonaws.com/rojalexipokadaz/maui_revealed_book.pdfIn PDF document text
- https://04934832-22f3-474e-96de-b9d593e92251.filesusr.com/ugd/f390e7_4a830f2d45f6431a8bcb759fc5b571bb.pdf?index=trueIn PDF document text
- https://9907981b-0bc7-4fd3-a434-169f7cdadf42.filesusr.com/ugd/575363_2c45142601814d43aa4f1d0cbebb0c0c.pdf?index=trueIn PDF document text
- https://c183b790-cb34-49aa-848e-1a9f2b14dda3.filesusr.com/ugd/d8966e_18cc117ad3d54c7a812981dab71a7fe2.pdf?index=trueIn PDF document text
- https://f6ea5e03-7e7c-4dce-82ee-fd5d223759ef.filesusr.com/ugd/d203ad_abd5504bbac24365a75a8ffaea28c83e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fipijife/89962504114.pdfIn PDF document text
- https://s3.amazonaws.com/jolozidabi/what_is_scientific_reasoning_in_occupational_therapy.pdfIn PDF document text
- https://f43304fd-85e4-489a-8612-81977e01be4a.filesusr.com/ugd/b6f504_ad9c0f73ea5940dcb57340983dad27ce.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_off0001139c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1139C | 5608 bytes |
SHA-256: f0156dd1e94bb6a417a0b208f97034072eeabaa5ad7f7051ec66e3a48ecc02e2 |
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font_01_sfnt_off000126b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B9 | 12276 bytes |
SHA-256: b413b79cb1efb60ec89ab62677a6f8ee7468dd1244c2e2638d57ef11c4ad21f3 |
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