MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains a link farm with numerous URLs pointing to PDFs hosted on compromised websites, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2bfdd0be38---52264370546.pdf
- http://khocabien.com/uploads/files/94435930136.pdf
- https://bilalyapidekorasyon.com/userfiles/file/nosugu.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/795ddced96dec16884979153918c76ac/35454465474.pdf
- http://frappsreagent.com/upload/files/daregavatem.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/b0aj2v3hm8anmfn378sv4htfq5/2284411375.pdf
- http://brlairport.com/images/file/vibevatupifuzavupurisem.pdf
- https://baptistfriends.org/media/56375289242.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b883cd4ff4f---34074220217.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8a8f6e93f---4457310295.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607401a18e36f---94311882953.pdf
- http://harnettcountyhba.com/userfiles/file/81364687424.pdf
- https://theurbanthinktank.com/files/72560743890.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/53rrpanbktf8euiipghikh14p3/92622602503.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/4d8581ebc2f59dbb1e3b3259e9e7e44f/rekukipot.pdf
- http://bebelino.ru/userfiles/file/mivafamamotepusovovuvafap.pdf
- http://dayuntang.com/assets/uploads/ckedit/files/20210801224144.pdf
- https://pasarantogel.com/contents//files/zaxolutizus.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096fcacd00d7---maxunorabukodakovo.pdf
- https://rosycaffe.com/file/zixonujedenudobulogisaj.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/2e469a92f82a0d82496ee1658d43ca5f/33320238723.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/118dbce3f45b91fb1efd2b6fb5e8bdd9/bokisogabita.pdf
- http://springbook.no/files/gulegujixumimidamal.pdf
- http://akicgiyim.com/userfiles/file/wezedoluwog.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=d-link+dir-300+manuale+italiano
- 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_off0000c2b0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B0 | 16792 bytes |
font_01_sfnt_off0000dac7.bin5161f3a88e5fed501a8d0fa4ab2b21dcb7079a4e1232afa84fb3b952cd8c2785 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC7 | 10764 bytes |
font_02_sfnt_off0000f389.bin0ca1e821cd3fd14d5fe9687b013d7b5eda0ab77e244a258fe60477c7f688cd0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF389 | 17736 bytes |
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