MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. This indicates a strong likelihood of a phishing or malware distribution campaign. The presence of a 'download button' lure further supports this, suggesting the document is designed to trick users into clicking malicious links.
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.ru/pify?keyword=ielts+listening+recent+actual+test+volume+1+pdf+audio%2529 In PDF document text
- http://mojuted.highsandhellos.com/uploads/1/3/1/8/131856158/7030062.pdfIn PDF document text
- http://files.saradavisart.com/uploads/1/3/1/3/131381540/watuka.pdfIn PDF document text
- http://files.mrobinsonmusic.com/uploads/1/3/1/6/131637763/ebfb02c3.pdfIn PDF document text
- http://zurozuxob.cindykollerphotography.com/uploads/1/3/0/8/130874655/zilugezenuxabixiwu.pdfIn PDF document text
- http://files.mantecaeducators.org/uploads/1/3/0/7/130740127/31544f32cebc5f.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/1/0440/8823/0053/files/brche_multiplikation_aufgaben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6717/9162/files/22629772407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6037/9286/files/62220609452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2131/9839/files/kewupavukejudorelebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36920421444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0923/4328/files/intellichlor_ic40_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7834/4085/files/6812155704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/fovotowifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1519/8104/files/jugutenanumorega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5217/9364/files/pugikojinunuvugonuvasis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1995/9454/files/comma_splice_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4078/5062/files/2020_oscar_winners_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5971/4971/files/ftse_all_share_index.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_off00006587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6587 | 5600 bytes |
SHA-256: a2594d3fe185fdf3a23a8c38a6a03c8e109a07743fb35ffc41cab217c3856394 |
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font_01_sfnt_off0000788d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x788D | 9772 bytes |
SHA-256: bbd476a58098562066bf69c37c105becbbc0dcffe54ce616862b823b3736fa67 |
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font_02_sfnt_off00009a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A3C | 16156 bytes |
SHA-256: 8d975df2f50f28cfbed0e2ce76ed007b24dfad65abe09b14d26d42f1e968b3d8 |
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