MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, with many pointing to disposable hosting and utilizing UTM parameters, suggesting it is part of a link farm designed to drive traffic to potentially malicious sites. The document body, though heavily obfuscated, contains text related to population growth, which is likely a lure to encourage users to click the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://golowaki.ru/strik?utm_term=explain+how+density-dependent+factors+affect+population+growth PDF link annotation
- https://patijunig.weebly.com/uploads/1/3/0/9/130969449/ruxagoxoxu-jasoxaz-pimopoj.pdfIn PDF document text
- https://lufukosiresefo.weebly.com/uploads/1/3/4/7/134707539/kiwerunuzaruri_pabafes_diwebupapu_nalaganoxusir.pdfIn PDF document text
- https://gaxopekel.weebly.com/uploads/1/3/0/9/130969853/wotoxutitakope.pdfIn PDF document text
- https://galewijukinez.weebly.com/uploads/1/3/2/6/132695540/xifetepuzigu-vixigol.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421639/normal_6017e3e22815f.pdfIn PDF document text
- http://lojapidabud.mypressonline.com/movie_storyboard_template.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481068/normal_60270cfb8e09c.pdfIn PDF document text
- https://wavopotajulaja.weebly.com/uploads/1/3/4/6/134631105/1974351.pdfIn PDF document text
- http://devigebogubiret.getenjoyment.net/bsc_magazine_jan_2020.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://fa886832-b9e3-4ce5-a98c-97da2614721f.filesusr.com/ugd/9f8050_480962ef728e44eb86dccf715079541b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wejuvono/why_is_my_bluetooth_keyboard_not_working_mac.pdfIn PDF document text
- https://058da8ce-bb30-4b8c-81eb-8903018cac65.filesusr.com/ugd/ab745b_7e2dda7b91dd4a46a7500e401b24b354.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuponefi/rasetubukug.pdfIn PDF document text
- https://64b67c6e-fbbd-4787-add8-9ed3e274c95c.filesusr.com/ugd/eb6612_77afe1ad4ce145eeae60213458fafe8f.pdf?index=trueIn PDF document text
- https://55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com/ugd/0064ae_e46641736ddf43fcbdd2d662164c1378.pdf?index=trueIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_de4e01087f3d4210bcb9b440631ee5b7.pdf?index=trueIn PDF document text
- https://c72a6d71-2fad-4f5a-8b7a-a7c165485bce.filesusr.com/ugd/a4966f_695fc15e58e74daba19f9894f8d803a9.pdf?index=trueIn PDF document text
- https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_b100efcdd815476f8e92b66a85dfc879.pdf?index=trueIn PDF document text
- https://74f55dc1-c9a5-4be3-8cb6-5a41d2e6c5ca.filesusr.com/ugd/bacb18_9716b10b438046babf53b3ab68096852.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/farefasejikap/absorption_and_marginal_costing_questions_and_answers.pdfIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC59 | 5668 bytes |
SHA-256: c208714ec21c2bbae8570aefe404ab8da3b897dff50fbe7e95cc182ee5322ef1 |
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font_01_sfnt_off0000efc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC4 | 10548 bytes |
SHA-256: ca7cf7a7782869dc555d19d53b48877d09aff775b4376457a4f76750516a47b8 |
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