MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to potentially compromised CMS upload directories or disposable hosting, forming a link farm. While no scripts were explicitly extracted, the nature of the links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
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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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 http://billsky.ee/files/file/tedasovufizumagub.pdf
- https://ludifrance.fr/userfiles/file/fenalatelanuwarixoxupus.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f516670c11---rabigemimonatadivilekid.pdf
- http://flirdining.com/uploads/files/zipuwa.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071994e3702d---vusubogunomesezidapafu.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff52e2d879---fudagubotudituzatoza.pdf
- https://die-elke.de/cms/elke_page_files/file/25903918320.pdf
- https://accesoriosalmayor.com/images/userfiles/file/fixexazugekotamerugumur.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d96e540595---datavodilepuf.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b432225f645---45584071186.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/605b132c19c3c5721893e86f117fa3b6/41954471516.pdf
- https://szabobuszrendeles.hu/files/files/gesodexebojanusesupomev.pdf
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/41e65e04a75ffe4b4859b09baae8644a/12886658326.pdf
- http://teleserviciomalaga.com/ckfinder/userfiles/files/rofisaluzisarozoxe.pdf
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/350740fe0c19a52fe737bb306ffcc616/mewimuzujulexibax.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/7u2tdh410ggai1kfsa7olfgd1v/newuxavidabirufe.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc548754acb---purafasebaweritunip.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0bd0d2877---xugobatujoxupanebezi.pdf
- https://karinbentum.nl/uploads/file/peperesatufuwakix.pdf
- http://reutlinger.pl/userfiles/file/jaxerexuk.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9441db793---58369880351.pdf
- http://www.celso.org/download/begufuvafunimo.pdf
- https://carlojans.com/cms/file/lafegex.pdf
- http://harryreichert.de/uploaded_pics/News/file/refetekibexomesavixitidif.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/d140aec45065e21a496a0cc5b11e6063/jasozofob.pdf
- https://vinadesigndanang.vn/uploads/image/files/78509575321.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=not+going+to+the+toilet+for+over+a+week
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f48f.bin562d39cc93351683f3420870a5578826c1285db13c691c08f99be18f4980e560 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF48F | 1860 bytes |
font_01_sfnt_off0000fd45.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD45 | 16792 bytes |
font_02_sfnt_off0001155c.bina02c2b81672f9010b6191c784d7471fe7861b41d9563504600c4a10d41d62119 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1155C | 10544 bytes |
font_03_sfnt_off00012d5d.binefc04597a72faf1c1e6211b0b3300a81da35d43c5e1c809beec8623a1dcae829 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5D | 16996 bytes |
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