MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a download link for a 'mathematical modelling handbook pdf'. The PDF also hosts a link farm pointing to numerous other PDFs on Shopify, likely for SEO manipulation to increase visibility. The presence of a visual download button lure further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=mathematical+modelling+handbook+pdf In PDF document text
- http://files.tsdistributing.com/uploads/1/3/0/9/130968972/tafade_saxanosijogov.pdfIn PDF document text
- http://files.tmsapvo.com/uploads/1/3/1/8/131857815/6490800.pdfIn PDF document text
- http://files.backwoodsbeersoap.com/uploads/1/3/0/7/130775598/zanamuwuxudijum.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58014629257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/74335923716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0161/8327/files/mogenutixat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8545/4757/files/94605800347.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4077/5071/files/98976650958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/bazeporagevazipafixezugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9242/5384/files/59149296079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6394/3067/files/ccure_9000_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7400/2837/files/19852459744.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0698/3318/files/38457856268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8632/9509/files/virtualbox_mouse_capture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6689/2186/files/53905720542.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9426 | 5292 bytes |
SHA-256: 148887d3deb5cd9a948aa39bb4bce0d85cf2eaf7b2f0131d31bfde6b3d618813 |
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font_01_sfnt_off0000a608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA608 | 10720 bytes |
SHA-256: c1c67802ab8696c0b4cd108da854f206f821e90a4e35aef4399cb0b13fa8ce30 |
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font_02_sfnt_off0000caa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA5 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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