MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely intended to obscure the final malicious destination. The document body text and heuristics suggest a social engineering lure to trick users into downloading a file.
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=download+pdf+file+from+url+online In PDF document text
- http://files.americasharvestcbd.com/uploads/1/3/1/3/131383255/0ac355f6f6c9.pdfIn PDF document text
- http://lomemuk.kippbiogeochemistry.com/uploads/1/3/2/7/132740873/679c245.pdfIn PDF document text
- http://files.springmorefarm.com/uploads/1/3/0/7/130775138/7480573.pdfIn PDF document text
- http://jotozera.allanimalclinichattiesburg.com/uploads/1/3/1/6/131606457/vikowuv.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/1/0428/4920/6439/files/81121905524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8641/9870/files/asma_unam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0765/4563/files/56208046298.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/lasuzuxogiket.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9301/7247/files/manual_taller_suzuki_bandit_400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6237/0202/files/municipios_de_puertorico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4931/2666/files/mimamofoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0098/7801/files/94414508292.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vasopamomakazemujavinis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3491/0618/files/70016456056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/puxozexowodasubaleraribe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5466/8705/files/94540780288.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_off000064d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64D3 | 5100 bytes |
SHA-256: 685349f9818c288d3b25e33b78c4f594f753898f1b62b6243d162c197d4ca774 |
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font_01_sfnt_off0000762d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x762D | 10360 bytes |
SHA-256: 7a370716daf303aa5b46dd626e7eea6729af5787ae83ca86fc8a858aafc28367 |
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font_02_sfnt_off000099db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99DB | 16092 bytes |
SHA-256: c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e |
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