MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is further obfuscated by a large number of SEO-optimized PDF links hosted on Shopify. The document body text and embedded URLs suggest a lure for a fake 'Adobe PDF reader installer'. The presence of a visual download button reinforces this social engineering tactic. The primary malicious URL is 'https://ttraff.com/pify?keyword=adobe+pdf+reader+installer+for+windows+7'.
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=adobe+pdf+reader+installer+for+windows+7 In PDF document text
- http://files.celestinevessel.com/uploads/1/3/2/6/132695582/4426998.pdfIn PDF document text
- http://files.ikargb.co.uk/uploads/1/3/1/4/131409170/c416f2d8c877.pdfIn PDF document text
- http://files.callowayfootball.com/uploads/1/3/0/8/130813042/zijogowimabuf.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/1/0431/6948/0866/files/47361627001.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4704/0662/files/pobunivutoxexivewaligino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/gurumitutadasavejedupov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5011/4978/files/penebidolezakokojag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0191/3244/files/73823980225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1218/4474/files/75741999290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0936/7461/files/48910286252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6583/1577/files/curso_de_adobe_premiere_pro_cc_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5664/4774/files/xirazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2561/3475/files/adjectives_and_adverbs_tests.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6058/4870/files/icy_veins_resto_shaman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6640/0673/files/nuwujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/1472/2460/files/christiaan_barnard_biography.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_off00006127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6127 | 5336 bytes |
SHA-256: 4821d543baeaba87c855b9ef3a2864dfa0f3a361934bb92a64a02b231d460304 |
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font_01_sfnt_off0000736f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x736F | 10132 bytes |
SHA-256: eb57a0b94169f154baef7b72fd0f46338f57ce06eccc0421b6801829727ee54a |
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