MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'types of topology' and includes the malicious URL, suggesting a lure to a malicious site. The presence of many external PDF links also indicates a link farm strategy, likely to improve SEO for malicious content or to distribute traffic. No scripts were extracted, limiting the analysis of direct execution capabilities.
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=types%20of%20topology%20with%20diagram%20pdf In PDF document text
- http://teboxara.deanhunt.net/uploads/1/3/0/7/130776031/8274030.pdfIn PDF document text
- http://taviw.boomerangsandrings.com/uploads/1/3/1/6/131606490/biduxituteken.pdfIn PDF document text
- http://fijolil.silverrivercoaching.com/uploads/1/3/1/3/131384169/wuravevagonizuji.pdfIn PDF document text
- http://kawud.littlehartspreschool.com/uploads/1/3/1/4/131437363/9df6c0.pdfIn PDF document text
- http://files.towncreekvision.com/uploads/1/3/0/7/130775357/feduku.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/1/0437/9947/8434/files/69023554003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1390/6327/files/51104323362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41326774972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6869/3411/files/14073681965.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/3600/2715/files/data_structures_and_algorithms_with_scala_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5788/8932/files/66667797468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7818/8198/files/pixar_storytelling_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4536/3610/files/pokadaxuguniv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7755/7660/files/betegapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0292/7003/files/waxowefaxekefudadavururo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8251/3561/files/24431255196.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5490/8071/files/48373280343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0814/8127/files/the_red_army_and_the_second_world_war.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_off00006f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3E | 5280 bytes |
SHA-256: b78903524d338140662e49f713d436fea06b4f98e2c16a16bf76292a8564d2af |
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font_01_sfnt_off0000814d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x814D | 9780 bytes |
SHA-256: 027834a0b0dc6c2b43b6f4cdaa27d8765b7d6c4552cd326a4cbe0f8a444d7d64 |
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font_02_sfnt_off0000a2d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2D6 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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