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. It contains numerous embedded URLs that form a link farm, with many pointing to compromised WordPress sites. These links likely serve as redirects to phishing or malware distribution sites, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/44875263326.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c23fb2af8d2---tagavixerujafitolav.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f08d115237---lapilokofetutebegetuna.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/827e393c6695cb35e0759356cd9536ec/40881548238.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/a49ccec50e113affaac7c4183b62fb8f/pamemusosesonatuwuvusoj.pdf
- https://mokhalasati.com/userfiles/files/wekilimupesevizavafuzal.pdf
- http://biaikatolikus.hu/files/file/gulitovabivulixize.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b195fbd99e---86254088728.pdf
- https://myphi.biz/nbloom/fckuploads/file/ladegumoz.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/0843426ef51c0bc6245d5b7335859720/20672364440.pdf
- http://alpinist.store/sribati/editor/uploadfiles/rivedumegutemokigo.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/prr6fbhgv0qmove7efssifvus0/3659874106.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdade7c12d---78197964557.pdf
- http://bhk-aindling.com/userfiles/files/buzevapekelidedozi.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f99742368a---93042172753.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a050c1371c0---papusupabobuguwasibanupix.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df9483811e---96224266186.pdf
- http://northcity.rs/slike/files/besemelawutube.pdf
- https://tractorpulling-emmeloord.nl/upload/file/gisab.pdf
- http://grandparkoptimum.com/ckfinder/userfiles/files/92946860337.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088467ddc981---80873166444.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160da0d3407fe1---dusidijikuduropapejetud.pdf
- http://banglatalkies.com/dynamic-images/cms/file/59556966703.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e497724184---gobufi.pdf
- http://allnatureint.com/userfiles/file/nedujozaki.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=form+19+and+10c+pdf+download
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f488.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF488 | 16792 bytes |
font_01_sfnt_off00010c9f.binfc2d08e92269371a7bb06e4fdd369e4ffec027e82c95eb9a96b57c4e5a62b655 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C9F | 10696 bytes |
font_02_sfnt_off0001253a.bin9a9c3af11098d9da951db654d91a6ad468078afa3cc5510dccdf43c17e1e243a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1253A | 17472 bytes |
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