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'. The document body, though heavily obfuscated, contains the same URL and text suggesting a lure for a free PDF download. The presence of numerous external links, many pointing to Shopify, further indicates a link farm SEO tactic to attract victims. 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.com/pify?keyword=antenna+handbook+theory+applications+and+design+pdf+free+download In PDF document text
- http://files.serenitywholisticliving.com/uploads/1/3/1/3/131397955/widavajumibu.pdfIn PDF document text
- http://xatag.solutionsforenergy.co.uk/uploads/1/3/1/3/131398455/vewokowixogi.pdfIn PDF document text
- http://betox.johnmallonhistoricalnovelist.com/uploads/1/3/1/0/131070420/9115216.pdfIn PDF document text
- http://files.eccpoplar.com/uploads/1/3/0/8/130813732/nerulum.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/1/0437/5832/1821/files/25899679133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0591/0933/files/bugewakesininebirebuposi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5650/3704/files/wifotamobomexutisutularix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3434/3574/files/35497314021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7525/5972/files/40406763311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8168/5406/files/37247009432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9275/5111/files/vusafag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7106/2684/files/32990585251.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5889/6802/files/dark_souls_2_item_ids.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3461/4688/files/7880192973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1723/8685/files/xitexipevubisif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5331/8298/files/tevukipabaxuvuto.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E17 | 5804 bytes |
SHA-256: 183862c3af233652ed2f22b2e36fad2fbf75a6e221a46a14f3f3757c882fd3f6 |
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font_01_sfnt_off000081e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81E7 | 10512 bytes |
SHA-256: 0f2648bb22772c58fe3fa98005c79fc07295894d7c7582183607480490f7b8bd |
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font_02_sfnt_off0000a60f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA60F | 16836 bytes |
SHA-256: cc4dcf9b3f20d6ee28823ee0c936756282ca457d240c648fb056104074dd32c9 |
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