MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, and contains a large number of external links pointing to various PDF files on disposable hosting. The document body is heavily obfuscated, but the presence of numerous SEO-themed links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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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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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://dugedepap.ru/award?keyword=air+cooled+chiller+working+principle+pdf PDF link annotation
- http://resimpub.com/83921163389wvrr3.pdfIn PDF document text
- https://cdn.sqhk.co/riwaxagi/gOrLhjr/6423038870.pdfIn PDF document text
- http://prodson.fun/books_of_the_bible_law_prophetsd1es6.pdfIn PDF document text
- https://cdn.sqhk.co/xubipoxeguza/e0Qxdp8/dojuvomarajojupefowokal.pdfIn PDF document text
- https://cdn.sqhk.co/vewukiziwemi/8hdojxl/flying_model_simulator_free_download.pdfIn PDF document text
- http://mikrotikwizard.com/trigonometry_problems_with_solutions_for_class_10mrk9p.pdfIn PDF document text
- http://ziwavabewite.66ghz.com/sikudasekizabeguvatak.pdfIn PDF document text
- http://polfact.site/washington_redskins_record_20174dqo6.pdfIn PDF document text
- http://masajsalonunuz.com/mupirerofexinozonomenidu58wht.pdfIn PDF document text
- http://esmoney.site/hacking_growthzncai.pdfIn PDF document text
- https://cdn.sqhk.co/xejudawadoni/0iaZTVI/siberian_cat_size.pdfIn PDF document text
- http://servempieza.site/zomixejebawal49z0o.pdfIn PDF document text
- http://yoganchik.space/kvs_admission_6_class_2019_online9kul4.pdfIn PDF document text
- https://cdn.sqhk.co/wifavizen/jjjhjgf/dead_trigger_2_download_apk.pdfIn PDF document text
- http://opendouche.xyz/para_que_sirve_la_linea_del_tiempoxftwd.pdfIn PDF document text
- http://coupons2020.info/540605623936t2a4.pdfIn PDF document text
- http://loxuzemifa.iblogger.org/47109394623.pdfIn PDF document text
- http://vash-fasad.live/housewarming_invitation_template_microsoft_wordruea1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://3e1d1bad-f645-4ebd-ac75-469e7ff7c972.filesusr.com/ugd/e745be_bca82cc2c7fe46cab2b9afbf318fdfcb.pdf?index=trueIn PDF document text
- https://f38be386-5799-403b-9303-fb121113655a.filesusr.com/ugd/6f1aa7_cd8879d7389543a39afa4b25ee327d5f.pdf?index=trueIn PDF document text
- https://c788b29d-df2d-4d46-9946-349e8cce89b7.filesusr.com/ugd/a9e086_e900eddbe0d041d6a8cf381ed68c72db.pdf?index=trueIn PDF document text
- http://notaruk.rf.gd/24250526710.pdfIn PDF document text
- https://9ef77391-fdd1-48d8-ba15-364b07375333.filesusr.com/ugd/ebefdf_fe8c54ed29b2452b94909101c4c0b052.pdf?index=trueIn PDF document text
- https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_b94c1347a9304ad2b8ca03dfb9ffa43a.pdf?index=trueIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001032e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1032E | 4880 bytes |
SHA-256: cd898d3539ccb175aed5320a6439640abea30fa21051abb5f822578ea659e9cd |
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font_01_sfnt_off000113bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BD | 11668 bytes |
SHA-256: b4746f14555d6e55d7765e02295a1d9d7cde9c811f92bd71ccfc8da5dae333ef |
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font_02_sfnt_off00013b82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B82 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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