MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Addends
T1059.001 PowerShell
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The presence of a link farm suggests an attempt to manipulate search engine results or distribute content broadly. The primary malicious URL is https://ttraff.cc/pify?keyword=universal+paperclips+save, which likely serves as a gateway to further malicious content.
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=universal+paperclips+save In PDF document text
- http://files.robbfreemethodisthistoricalcentre.com/uploads/1/3/0/7/130739204/034d11.pdfIn PDF document text
- http://files.historyneedsyou.com/uploads/1/3/0/8/130873851/waruxaj_megubefof_nepimib_vozuwaz.pdfIn PDF document text
- http://wozaluzim.chicagosanon.org/uploads/1/3/1/0/131070374/borazu.pdfIn PDF document text
- http://files.deathpartyuk.com/uploads/1/3/1/8/131871721/5d008b661f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rirolor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8333/3786/files/divurupiwatuxekamad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9983/1968/files/kukofuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9119/0167/files/dolenadam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6595/6759/files/goosebumps_complete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8737/9097/files/45552243032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0360/1308/files/durovozibemunavotufim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/dizuwiruka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4349/5841/files/dimosazojevezalewax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8697/8984/files/26918573630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3290/3829/files/59292711544.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
🗂 Part of campaign:
kmstudioart.com
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C97 | 4576 bytes |
SHA-256: d0c8c95a098951c891effbeedfa0f24dc7427fe8d88451c0e58d5377fd254d06 |
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font_01_sfnt_off00006c20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C20 | 14256 bytes |
SHA-256: 9a1cca4b160a8501626597da46e5a24bfeda1a26c3f4abd6771f166186e46637 |
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font_02_sfnt_off000098b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B7 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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