MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://archism.ru/uplcv?utm_term=the+book+of+man+osho+pdf PDF link annotation
- https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/2ca2fdbaa5d038a2149f7dd9b0616010/zuwofimemudozadigiwozax.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5095284fe243dc5437772ca81b6bfb6/zuditufufixalul.pdfIn PDF document text
- http://sevimticaret.net/userfiles/file/ferup.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/ec8c51b4c025a51b32cb7c42183f4ad4/zulepiwozesoxupazami.pdfIn PDF document text
- https://actor-conseil.com/files/file/winifuxa.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075768b5138d---sipobufuferujugawitaza.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608052efe6093---lakowivajavojano.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//50020224667.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/n195sdfbthhm2grja1he437io7/44010027643.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/44226325688.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-4-29/20210429015250326219.pdfIn PDF document text
- http://dharmapremipariwar.org/userfiles/file/mapigojika.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/c8637460d184538bc045515e7a0ed45f/45118327039.pdfIn PDF document text
- http://kaies.cn/upfiles/file/61268426651.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/8d519dc9b80c37a21419dd84924f2876/jafimidawasakujorexezulof.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6c21bd362---3192620047.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/raic2vqeqjuo4fg6p5lvbvkj15/26395453835.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d442357e587---metuxej.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB03 | 30640 bytes |
SHA-256: 0a61b7f67b8457858f30e343c37b98bf79853ebc90355cb0b56ebb326a681d50 |
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font_01_sfnt_off000126ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126AC | 10620 bytes |
SHA-256: 8c5864e0e4e86884e4d5869ef9bd26883e52f1cea86c991d91ea42dbcb564ea9 |
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font_02_sfnt_off00013e90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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