MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, with one specifically pointing to a redirector associated with malicious activity. The document body, though heavily obfuscated, contains keywords related to 'criminal investigation manual' and a URL that aligns with the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic, suggesting a social engineering pretext. The presence of numerous external PDF links further indicates a link farm designed to distribute malicious content or facilitate phishing.
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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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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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=criminal%20investigation%20manual%202010%20pdf In PDF document text
- http://files.thealbertafloodroseproject.com/uploads/1/3/0/9/130969555/13cd00738d.pdfIn PDF document text
- http://files.bellacalore.com/uploads/1/3/0/8/130814279/mumubimogamu-fupedevumebat-ropetiwajo.pdfIn PDF document text
- http://files.bonafidegreengoods.com/uploads/1/3/1/4/131437823/d7f6c2631bd3af.pdfIn PDF document text
- http://files.hightechtintplus.com/uploads/1/3/2/3/132302973/47aff28564.pdfIn PDF document text
- http://files.eastafricanscholarsfund.org/uploads/1/3/0/7/130776718/vemofuva.pdfIn PDF document text
- http://files.infinityproductionsedu.com/uploads/1/3/1/6/131636914/movesuzulo.pdfIn PDF document text
- http://files.kwconservation.org/uploads/1/3/1/4/131437636/7633d5.pdfIn PDF document text
- http://files.theceoexperts.com/uploads/1/3/0/8/130873894/nopati.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zokonexobil.files.wordpress.com/2020/07/48521964326.pdfIn PDF document text
- https://jodupirif535214197.files.wordpress.com/2020/06/98770976009.pdfIn PDF document text
- https://mitugopagav.files.wordpress.com/2020/07/jewajado.pdfIn PDF document text
- https://dazapume.files.wordpress.com/2020/06/pizuf.pdfIn PDF document text
- https://xunukadamed.files.wordpress.com/2020/06/70401515076.pdfIn PDF document text
- https://suzoxafa.files.wordpress.com/2020/06/46040299187.pdfIn PDF document text
- https://wivezojajut.files.wordpress.com/2020/06/41291063837.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bijalikupuxamimidesedol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/birizakidunupujudexi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xasojikunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mofofuledezenededur.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_off0001a42b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A42B | 5652 bytes |
SHA-256: 1d7df455352b6affc6bfc419a70ab9638b3d9df07f7daf9475382fae0a9b36c0 |
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font_01_sfnt_off0001b753.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B753 | 16472 bytes |
SHA-256: d42576e9f45916b84d84f892642ebf1abe62e4043a76646a43873061cbf291cb |
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