MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains the same malicious URL. The presence of numerous links to PDFs hosted on Shopify and other domains suggests a SEO poisoning or link farm tactic to distribute malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.ru/wb?keyword=marketing%203.0%20libro%20completo%20pdf In PDF document text
- http://didol.krisjezakart.com/uploads/1/3/0/9/130969204/808b71ebdf.pdfIn PDF document text
- http://baritu.groundhogproof.com/uploads/1/3/0/7/130738799/vokivuvilubigimig.pdfIn PDF document text
- http://zoreze.canadiancraftcompany.com/uploads/1/3/0/7/130776855/d75f5ff.pdfIn PDF document text
- http://zegudo.omgyummy.com.au/uploads/1/3/0/8/130873995/4421668.pdfIn PDF document text
- http://files.personalspaceproject.com/uploads/1/3/2/7/132740343/piwepapefa-kavijabojexopi-fuwuwumewa.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://cdn.shopify.com/s/files/1/0438/0773/5969/files/marriage_life_in_islam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6993/9607/files/gozigikufobizomewifude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5197/3794/files/photosynthesis_powerpoint_question_guide_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9531/6893/files/kadambari_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8648/7455/files/sims_freeplay_cheats_android_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6631/7205/files/fakuvarusanewalisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4104/6171/files/87345389268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9733/3668/files/91159298084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3849/9235/files/nubenibotuluruzadevom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2100/9053/files/rafal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3983/3763/files/nugikira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5965/9420/files/e_waste_management_ppt.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5657/0266/files/thoughts_on_agenda_setting_framing_and_priming.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5086/8646/files/61645699603.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E68 | 5632 bytes |
SHA-256: 62bb90c1939f5ec92120e15dc3571fc2f26748874a20f2b0f8aa89a4c4027fa5 |
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font_01_sfnt_off00007180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7180 | 11304 bytes |
SHA-256: 360d72de05aff0156caf6e71b3db5331abb225a803c6eeae369d0716c3d6b8da |
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font_02_sfnt_off00009634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9634 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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