MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=construction+surveying+and+layout+3rd+edition+pdf', likely leads to a malicious payload or phishing page. The presence of a large number of external PDF links, many pointing to benign Shopify domains but some to unknown domains, suggests a link farm used for SEO poisoning or to obscure the final malicious destination. No scripts were extracted, but the overall structure and the malicious redirector indicate a phishing or malware distribution attempt.
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=construction+surveying+and+layout+3rd+edition+pdf In PDF document text
- http://files.klamathforestestates4rma.org/uploads/1/3/1/1/131164425/zegamabunaj_rafixuwumo.pdfIn PDF document text
- http://files.sylvainetlesfilles.com/uploads/1/3/1/1/131164383/kamiveniwa.pdfIn PDF document text
- http://files.encourageleos.com/uploads/1/3/2/6/132695339/adc4614f1.pdfIn PDF document text
- http://files.sehjournal.com/uploads/1/3/2/6/132682868/bipisowak_nugetatenut.pdfIn PDF document text
- http://files.kimirose-wherevershegoes.com/uploads/1/3/2/6/132695372/muvogenetuxebog.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/1/0432/7945/0272/files/13240352476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/josuzafegeda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9914/2810/files/41440111566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8336/6551/files/vaviwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9569/5266/files/witagukinojalolarobagep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3696/7063/files/ziram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5588/8022/files/lizowunalaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6470/4665/files/19166538102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/36849288843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9191/1066/files/72462107217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fusuzirosaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7670/5692/files/16844197383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9492/4694/files/51566557455.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_off00004c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C8C | 5552 bytes |
SHA-256: 44c33d8daba4f8b3d64955eff50b49d4f8f43fd4b37dbd28be6123d0347d4161 |
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font_01_sfnt_off00005f8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F8E | 9688 bytes |
SHA-256: 652fdefe1f9cbdec2df0b7343c123ab4452a2b1d1cf9863c96ab6de0f85c05c7 |
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