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.cc, which is designed to lure users into downloading further malicious content. The document also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on cdn.shopify.com. 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.cc/pify?keyword=biological+science+green+stout+taylor+pdf+free+download In PDF document text
- http://files.pureoregon.com/uploads/1/3/2/6/132682564/posede_dusesibu_bomenaleberobum.pdfIn PDF document text
- http://files.aquaelementeliquid.com/uploads/1/3/1/3/131381900/9440371.pdfIn PDF document text
- http://files.eurekaforensicservices.com/uploads/1/3/2/6/132681378/kufovofafejotudadu.pdfIn PDF document text
- http://files.fingerhutpastries.com/uploads/1/3/2/6/132695732/kuline-junaxi.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/1/0434/0593/4757/files/vumenere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5754/4342/files/livasesereseli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/52136586250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5906/9599/files/lixufidowejofipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4469/9288/files/emotions_and_feelings.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4085/8527/files/bupurojidezosisutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7848/3096/files/37793014044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3714/7811/files/618785525.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4157/9420/files/8733054491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/508618619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9304/1053/files/gixopofozidonok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9769/4109/files/71206910535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/jurobebejagiliven.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3096/0536/files/modowigetav.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_off0000e782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE782 | 5564 bytes |
SHA-256: d4216e6a102d3ee47eaba5a131d8fb05bba18029160f5fc18a7fe0cfcd6b6e02 |
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font_01_sfnt_off0000faa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA0 | 13344 bytes |
SHA-256: feac12d17bb5c7b3b7efb14e2671028a9214e97f64718c50746b5d8c963b3db7 |
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