MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. Another critical heuristic identified a large external PDF link farm, suggesting a potential SEO manipulation or content distribution scheme. The presence of these links and the nature of the heuristics strongly suggest a malicious intent, likely to lure users to malicious sites or distribute further malware. No scripts were extracted, and the document body was heavily obfuscated.
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.cc/wb?keyword=loving%20in%20truth%20poem%20pdf In PDF document text
- http://files.instasync.net/uploads/1/3/0/8/130874493/zefogaluka-gosovof.pdfIn PDF document text
- http://files.gracenathanielsounds.com/uploads/1/3/1/4/131453934/romolir.pdfIn PDF document text
- http://files.hldinspections.com/uploads/1/3/0/8/130873921/radoferuso-masok-mogevisi-rawuki.pdfIn PDF document text
- http://files.happythoughtsoraclecardreadings.com/uploads/1/3/1/8/131871744/c4e071bb6f0118.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/1/0434/8860/8418/files/bonirififijinixivov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9874/files/shl_logical_reasoning_test_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7420/8415/files/bazudokapavegerazewuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1708/4839/files/kibejakonilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1098/2041/files/bimajakimav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/2463/3243/files/how_to_make_minecraft_shield.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5924/7264/files/luxid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6547/5229/files/sotelowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1573/2376/files/98994389645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8914/9608/files/miwajuxabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3400/7973/files/maxorofuvesi.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_off000063d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63D3 | 4916 bytes |
SHA-256: 4c61d2f5b3bd73731bb4c420cf39d2e1a20d7bd8fbf928b18fd7d23abad0a5fa |
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font_01_sfnt_off0000746c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x746C | 10120 bytes |
SHA-256: 70e1ccbb0e0971c9a45adaf949ec2cf63ff0a641b91f2e24eadf528151a9cb43 |
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font_02_sfnt_off00009712.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9712 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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