MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are structured as link farms on disposable hosting, suggesting a phishing or SEO manipulation scheme. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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://istanbulbalbir.com/upload/ckfinder/files/buvivexaragedurebopiw.pdf
- http://cuatudongsaigon.net/uploads/files/37907125604.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/11e6a9465476102429bf4ebe2370acac/8774259918.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609b14e0e49ea---giropokadalajo.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/63c136a817f804b44093b787656be49c/vuxatosotase.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083a6671487f---kuviwuro.pdf
- http://czpohledavky.cz/userfiles/files/dasefusipure.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/19f82085d697be08a94196f12b790bef/tewizexolagurogot.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/b325f45b36084bd8879cc63ff874cc3b/63587008810.pdf
- https://gamma-electronics-eg.com/userfiles/files/dojukugajazodakojemika.pdf
- http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/retabiririvoveri.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a78545b04ad---2767765306.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/803934be38aa42691eda1eefea2147ea/zodegitirepumopi.pdf
- https://tungqibiotech.com/upfiles/editor/files/japutezokagewisisezeduvi.pdf
- http://sireny.net/share/files/bowotipogi.pdf
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/82726142300.pdf
- http://magooferta.pl/uploads/fck/file/vajazudorifumavabuliba.pdf
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/14303509515.pdf
- https://www.casestilistas.es/ckfinder/userfiles/files/97419634810.pdf
- http://matsusushionline.com/uploads/files/50361247627.pdf
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/209430cf2a4b47c59c2943370f617764/86862163497.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16080e9eb885c0---kefuxatapamomitabofagu.pdf
- http://high-keenltd.com/userfiles/file/fevemagofuzu.pdf
- http://remont-elektro.eu/archiv/file/59124813560.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/613d4e178548248dce260f3ae40bc046/29511908345.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16083817783210---riganedafajifovapudined.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=python+for+beginners+a+crash+course+guide+to+learn+python+in+1+week+pdf
- 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_off0000d2e1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2E1 | 16792 bytes |
font_01_sfnt_off0000eaf3.bin730c9b0722ba98cd363159c3933e654217f38cc0098da9cd8edd3ac90695b32f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF3 | 17464 bytes |
font_02_sfnt_off000117fd.binca03837737da14928c9980cb16e21a240ed02bc2e053979743774e06557d5340 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117FD | 11484 bytes |
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