MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO spam operation. The embedded content, though obfuscated, appears to be related to the external links, likely serving as a lure to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://botokaw.ru/strik?utm_term=how+to+thread+a+bobbin+on+a+singer+fashion+mate+252
- https://doluxofaxomivu.weebly.com/uploads/1/3/4/7/134715621/dudawelobonolafaji.pdf
- https://sazalilo.weebly.com/uploads/1/3/4/5/134592982/eed64bf65.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/5de4d2a3-c700-44b9-abd5-7b9381dc9d0d/bosch_500_series_washer_dryer_combo.pdf
- https://4779f2f8-a33e-4327-9c78-21ee0bcf4620.filesusr.com/ugd/31bf02_1db7f594d34f42dd98937d86509a9a51.pdf?index=true
- https://c779a0a5-5a96-4308-8c37-720837e0bdd2.filesusr.com/ugd/4f1d02_4a64ca3cf1f8456cb02ac76c07711072.pdf?index=true
- https://438c9214-13ba-44a2-8469-a4c97ff43377.filesusr.com/ugd/5d46a0_66f0bf8d2d004676915f0af773740e7f.pdf?index=true
- https://8d928d4c-4e32-4dc6-8093-d383c90b3cca.filesusr.com/ugd/b5d49c_e7dda3995d154a1abf3b23e8b3cff73f.pdf?index=true
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_75d0bbde2d92403ab14a6317fd710f00.pdf?index=true
- https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_d2e0df8af8a947478762f6c7816b39a5.pdf?index=true
- https://66f9c2bc-82a6-463d-9ccd-9c94d3d8805e.filesusr.com/ugd/b361c6_340a094240e54c14bb422a55b37a8949.pdf?index=true
- https://cfc603e6-7cd4-4c42-812b-9722deb80ae4.filesusr.com/ugd/0e9fc2_3d6aa42442484268848e4b202e8b1bb4.pdf?index=true
- https://a9864912-ad24-422b-99f3-2d90f7703507.filesusr.com/ugd/d6af85_7409418dafdc4eb5a5807266251f6a01.pdf?index=true
- https://aa6d2f86-95e2-42cc-897e-6bbd71c3a116.filesusr.com/ugd/78daac_4e703a25f14b44c585bda4caca6e81fa.pdf?index=true
- https://631ffb88-cf2d-4844-8d6b-9338a1b21cc5.filesusr.com/ugd/d24e6f_8f9684d7c8a841f9837724a6390e8628.pdf?index=true
- https://91c7bc9f-df77-4dbd-ae51-8bcf521f3e61.filesusr.com/ugd/1df9ea_80c6545301eb4398b9e36705deb7e522.pdf?index=true
- https://4465b75e-e642-4f53-8c89-e22f0b9d4994.filesusr.com/ugd/ecd213_4931f4192ec0470fb813c6ca2b253e45.pdf?index=true
- https://9a4203bb-6ff2-4ef1-9c63-3f113f84a884.filesusr.com/ugd/ea9bdf_b43e7c9ff84e45bc951202deaa6ad276.pdf?index=true
- https://uploads.strikinglycdn.com/files/74da609d-7fb8-4e81-83a2-6e113a2881d9/monekumo.pdf
- https://uploads.strikinglycdn.com/files/b8b6c6bf-7923-44b3-ae5d-cfaa5a11403a/clases_de_guitarra_para_principiantes_online_gratis.pdf
- https://uploads.strikinglycdn.com/files/0a91f787-2233-496d-b036-2aa328d44523/67296968570.pdf
- https://uploads.strikinglycdn.com/files/2ce26f0b-d286-42dc-9246-d052134cab36/how_to_determine_c13_nmr_signals.pdf
- https://7ae52be2-ba3c-41fb-8935-29281088223e.filesusr.com/ugd/affaa6_a519ca4fc2b349d29f237da674bbb85e.pdf?index=true
- https://0e098354-e5d1-4afc-9be7-763a70ae5e44.filesusr.com/ugd/ef253e_57efa59755b74b57a5fc1ac6b2f1404b.pdf?index=true
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011265.bin6b9c1e1ffa005886bc98875f7b679352b54772785f545acb663e1fed9ad3f49d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11265 | 5740 bytes |
font_01_sfnt_off000125d5.bin5138cbc07238ce76bb69fcd3fa4508b2fa5ab6cfec040133a6a43ee1fd73140e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125D5 | 10960 bytes |
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