MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.ru/pify?keyword=free+english+speaking+lessons+pdf'. The document body, though heavily obfuscated, also contains this URL and other Shopify URLs, suggesting a lure to download or access further content. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm designed to attract search engine traffic and potentially distribute malicious content.
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/pify?keyword=free+english+speaking+lessons+pdf In PDF document text
- http://rerazux.eastsidefoodforthought.com/uploads/1/3/0/7/130740044/69772364912.pdfIn PDF document text
- http://files.atypicalcoffee.com/uploads/1/3/0/8/130874233/narusejiruwale-xevinozisedeze.pdfIn PDF document text
- http://files.allinthestory.com/uploads/1/3/1/4/131406202/xogoluda.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/1/0437/0900/5978/files/adding_and_subtracting_fractions_worksheets_6th_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3142/8248/files/alphabet_letter_tracing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0008/4126/files/webassign_calculus_1_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2590/8383/files/sositevevan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7897/4616/files/xefoxega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/86349768653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/2309/3147/files/excel_formulas_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0945/6803/files/risuvukudadetixibumaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3446/0828/files/nizowawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/13859387301.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8611/7019/files/lenilula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1072/6815/files/46066880012.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/19224789313.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
🗂 Part of campaign:
allinthestory.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000604f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604F | 5324 bytes |
SHA-256: 2f51b2528b8c79b1aef83408e6990c60a2bbb38bf105a7b5016758337a2abf5a |
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font_01_sfnt_off0000726c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x726C | 10460 bytes |
SHA-256: fbf9529b992fc6a0a610741dae18267221d937f954323f653c99d35aa98bf2b5 |
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