MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Fitted mattress sheet set' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm and a malicious redirector indicates a likely attempt to drive traffic to malicious infrastructure.
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.com/pify?keyword=fitted+mattress+sheet+set In PDF document text
- http://paxubojoj.jaymacchiropractic.com/uploads/1/3/1/4/131453698/6baed.pdfIn PDF document text
- http://files.ktr-tactical.com/uploads/1/3/1/3/131379205/4917809.pdfIn PDF document text
- http://wagarivo.holmesrenovationsandrepairsllc.com/uploads/1/3/1/4/131438500/384386.pdfIn PDF document text
- http://files.peggythomaswrites.com/uploads/1/3/1/4/131438313/xuzopatotobal.pdfIn PDF document text
- http://files.qicultivation.com/uploads/1/3/1/3/131398360/ravotupu-jabekafofulul-vanupumut-kedabikufo.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/1/0436/8079/2729/files/jukugejevomuxuxasapote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3137/8590/files/management_aptitude_test_sample_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6125/6096/files/xoxikudurero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9921/0407/files/25383187658.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5293/4044/files/lusurodokaxunegewizorewif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3366/4420/files/rasoxowazatasexuvewugojuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2051/7537/files/pussy_saga_cheats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/gta_4_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9468/7400/files/xubotupugupolajipenaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5274/4356/files/kotpal_invertebrate_zoology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0415/8364/files/b_negative_blood_type_diet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8915/8554/files/vegar.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_off00006e29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E29 | 4988 bytes |
SHA-256: def78119f2beb46073909a60b1c0ff7aa76e7018a2dce3791cc86f4dfa4243b1 |
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font_01_sfnt_off00007ef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EF3 | 10852 bytes |
SHA-256: d6ae0760c92ae6ebfcdf6ce1be803fdab4ca5ab805b2e099d29dbf3ab43a7d0e |
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