MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many links pointing to compromised CMS upload directories or disposable hosting. The presence of 'utm_term' parameters suggests a phishing or spam campaign aimed at driving traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://dadrarad.ro/userfiles/file/xotewigisetuponuzekoti.pdf In PDF document text
- http://rungrawin-itt.com/userfiles/files/vagatizevisofikaxavixasa.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/26897360755.pdfIn PDF document text
- http://logisticsnetworks.net/ckfinder/userfiles/files/55590755604.pdfIn PDF document text
- http://intemhathanh.com/img_duhoc/files/zaretufogusuziregu.pdfIn PDF document text
- https://lotte-ppta.com/beta/assets/file/gojinirafelijexesevozos.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/furalujaremuratijimo.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a921206701---gikabujekuzaluzanipado.pdfIn PDF document text
- http://annabarons.com/files/files/zarax.pdfIn PDF document text
- http://anindecor.pl/files/file/sofugisoretuzizexivitame.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/7c9f6a091f1a8f541ddcb6d2d426a155/gulisajasewebokesegopuge.pdfIn PDF document text
- http://a2hgghk.handylover.com/upload/files/wodowadesiji.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311d7934f9a---vazofeturem.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/74609389292.pdfIn PDF document text
- https://cmf8.ir/data/file/45457717351.pdfIn PDF document text
- http://scpt.it/userfiles/files/wubin.pdfIn PDF document text
- http://www.jobibon.com/admin/userfiles/file/fikenuganuzizuzifikepev.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/lumaletugef.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/zufabinazedori.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/tasixakolamipe.pdfIn PDF document text
- http://renknh.com/ckupload/files/rosipix.pdfIn PDF document text
- http://blgjad.com/upload/files/buziwazodabanoruxi.pdfIn PDF document text
- http://ain.proximeo.com/ckfinder/userfiles/files/22874346307.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=imo+apps+download+2018PDF link annotation
- 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_off0000ded6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED6 | 10672 bytes |
SHA-256: eb93b94404127ef1c489818fd36a4740cc874b4091f6924971a03b7b3b73ca5b |
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font_01_sfnt_off0000f75d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6F | 18608 bytes |
SHA-256: 01c7a739ccfa3f26f6ec777d2362d4f0f8268fe61a3fbd78b93fead3edc4d1f9 |
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