MALICIOUS
234
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, with a critical heuristic firing indicating a PDF link farm. One of the primary links points to a redirector URL, suggesting an attempt to lead users to malicious content or phishing sites. The document body is heavily obfuscated and appears to be auto-generated, further supporting the SEO manipulation or redirection attack pattern.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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=kai%2527+sa+mid+guide In PDF document text
- http://files.harringtonlanefarmsvillageshop.com/uploads/1/3/1/4/131454770/5153019.pdfIn PDF document text
- http://files.cold-war-racers.com/uploads/1/3/1/4/131437181/1492991.pdfIn PDF document text
- http://files.annaesdre.com/uploads/1/3/1/0/131071145/zumuduzenobuzanake.pdfIn PDF document text
- http://files.visitcowan.org/uploads/1/3/1/3/131383837/d04d057fef2d814.pdfIn PDF document text
- http://files.bellvillerent-all.com/uploads/1/3/2/7/132740743/9014582.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/1/0431/4093/9933/files/64372443416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sakemiribukewud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1609/3849/files/31284747862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/bowasojikigaxevaxuzoka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6143/5813/files/gutoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/kilajelopedoxegowogewive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/jagajasejafaxolewub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/75761602004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/72325684004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2886/5446/files/71740305810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9209/8726/files/40509838078.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/11903710978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/37111219515.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_off00007877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7877 | 4608 bytes |
SHA-256: 997d66f88403babade70215daf0871d227c53f3dbe80521c90129932c052afaf |
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font_01_sfnt_off0000881f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x881F | 10260 bytes |
SHA-256: ed74773e63b6907917d255d155a59d603679fe97fc4782ceef8bab9e9ce766a4 |
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