MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a lure for downloading content, which is a common tactic for phishing and malware distribution. The embedded link directs to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The file also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm designed to improve search engine ranking for malicious content or to obscure the true destination.
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=islamic+quotes+in+urdu+pdf+free+download In PDF document text
- http://files.canalmusicfest.com/uploads/1/3/1/1/131163914/8314553.pdfIn PDF document text
- http://files.ccapsummerinstitute.com/uploads/1/3/1/3/131383251/c9d4d26.pdfIn PDF document text
- http://files.genevauu.org/uploads/1/3/0/7/130775299/5186191.pdfIn PDF document text
- http://files.whoi.ca/uploads/1/3/0/8/130814308/05d94ee58.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/1/0427/7462/6470/files/jafapamijogasijegavixaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7196/3296/files/48240806608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4061/3286/files/92689454251.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/belufinorupovew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6842/3330/files/runozilekizumoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8284/6109/files/convert_base64_string_to_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7554/1919/files/vefifikudobug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9523/6509/files/17462071571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9663/6580/files/wepaxeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3966/0951/files/tesun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/6724/8535/files/vehicle_aerodynamics_book.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off000098f4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x98F4 | 27172 bytes |
SHA-256: e8553ea46e24b4a891e6aea4115260874195dca859c821dfd730dadd6fd801e2 |
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font_00_sfnt_off000062e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E0 | 5456 bytes |
SHA-256: 40d4c652019417cdae3ebe6c81e705f649bfa8000629f8885da2074eb245ca13 |
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font_01_sfnt_off00007568.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7568 | 10576 bytes |
SHA-256: 58a692ceb152b3d46e1faceb2fb8645870dd590d008fbae622aeb6b1a637f2db |
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