MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, with one prominent link directing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Thanksgiving word problems pdf' and the redirector URL also includes this keyword, suggesting a lure. The presence of numerous PDF links, many pointing to Shopify, indicates a link farm strategy to obscure the malicious redirector. No scripts were extracted, but the PDF structure and embedded links are sufficient to infer the attack pattern.
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.com/wb?keyword=thanksgiving%20word%20problems%20pdf In PDF document text
- http://files.jtygergames.com/uploads/1/3/1/8/131871462/vuvoxi_zudoz.pdfIn PDF document text
- http://fudebilaw.taps2011.com/uploads/1/3/0/7/130775734/3316176.pdfIn PDF document text
- http://files.activatetransformperform.com/uploads/1/3/0/9/130969655/9906056.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8897/3729/files/a_level_mathematics_past_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4485/5195/files/anemia_falciforme_genetica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/2444/5603/files/lageletogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/russian_formalist_criticism_four_essays.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3888/4519/files/oops_i_fell_in_love_novel_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2465/4241/files/46773381907.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8158/7093/files/33291977835.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7099/7151/files/49865221229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2004/1886/files/19762820741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9954/6010/files/28388509998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/5_stages_of_public_policy_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jikoleluvotejagumali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/treatment_of_benign_prostatic_hyperplasia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2818/5239/files/ratajorujesisaniveluzogob.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_off00006ae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AE6 | 5760 bytes |
SHA-256: 5d56b15503d44b95bcbe1e33cb6ed637149c1d414e126239b2dba934f3659da7 |
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font_01_sfnt_off00007e66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E66 | 13160 bytes |
SHA-256: 40a5e1b95c1e4a7d3df29622955d75f525be15b2faf0e73afd423a2aad6aab78 |
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