MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=think+python+o+reilly+pdf+download'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The presence of a large number of external PDF links, many hosted on Shopify, further supports a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=think+python+o+reilly+pdf+download In PDF document text
- http://nibina.horseshelpingpeople.co.nz/uploads/1/3/1/8/131856772/xaludarapumom-fajubexirez.pdfIn PDF document text
- http://files.fbcandersonville.org/uploads/1/3/1/4/131438071/soxufipofovoxaf.pdfIn PDF document text
- http://files.whsnewschool.com/uploads/1/3/1/8/131871745/7047591.pdfIn PDF document text
- http://files.framemysore.org/uploads/1/3/1/1/131164090/f7e8b8.pdfIn PDF document text
- http://files.pawsacupuncture.com/uploads/1/3/1/4/131453354/digikip.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/1/0434/9391/6837/files/22779472757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8354/6267/files/fundamentals_of_approximation_theory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2430/8630/files/62543030989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1823/0688/files/73685493906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5713/5264/files/23790082595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3775/1453/files/27163443687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4814/7867/files/66748743846.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4382/3511/files/57819160973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5534/1977/files/76927305732.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/5481/3599/files/acstx_fact_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3373/9932/files/17356438179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49893706483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8022/0826/files/small_steps_download.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_off00005ef0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EF0 | 4948 bytes |
SHA-256: d96a56138df251bf738196ed74d4693c9edf5b3e34a18abff8a62bd39bd3ea06 |
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font_01_sfnt_off00006fbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBB | 10204 bytes |
SHA-256: a81e54ebe1ae9a5457de6cab37e222afe04737629962c7feeb959a4d3d98ab7f |
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font_02_sfnt_off0000929e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x929E | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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