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 'ttraff.com', which is used to lure users with a fake download. The document body, though heavily obfuscated, contains the same lure text and the malicious URL. The presence of numerous external links, many hosted on Shopify, suggests a link farm designed to improve SEO for malicious content. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=english+speaking+in+marathi+pdf+free+download In PDF document text
- http://files.sallychinea.com/uploads/1/3/0/7/130740524/cf4ee67.pdfIn PDF document text
- http://dariwaw.getmeintouni.com/uploads/1/3/0/8/130813612/fafalifokamolekosul.pdfIn PDF document text
- http://files.learningladderduxburyvt.net/uploads/1/3/1/4/131406688/nugozafopa_bobowo_simexosat.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/1/0428/9835/8432/files/86593634255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4501/1112/files/jovawuwusik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3146/1016/files/6713465299.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6880/8613/files/56123832094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0173/3542/files/zafumujetalogamopebazas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6881/7569/files/10898809527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2655/3755/files/pibivutadokutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81397135942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5246/6325/files/gakefovizajewopopep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8102/3132/files/mibizezekej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4732/9702/files/43632007222.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9180/3801/files/the_tragedy_of_cambodian_history.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7175/0822/files/radowemib.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D6A | 5568 bytes |
SHA-256: 7171ca0d0c62f59b733385071ea07e7f34d92c9e6d365649c6976c6d52040870 |
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font_01_sfnt_off00006040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6040 | 1936 bytes |
SHA-256: cf50d13c5c21d2e34fba0d9dd21119d4839fc35fdaebfe62cbacf51850cc328d |
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font_02_sfnt_off0000697f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x697F | 10396 bytes |
SHA-256: e59ff3270a15bc51e3225197c0bcd26f35b9a7f409cbfb19d0e743150f30fd05 |
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font_03_sfnt_off00008d33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D33 | 17164 bytes |
SHA-256: db93215632e8215dd759d2286647e6c0befb97eba34f9587af4da41226f79357 |
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