MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service. One such link, 'https://ttraff.ru/pify?keyword=lugol%2527+s+iodine+data+sheet', is flagged as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting the primary purpose is to lure users to malicious sites under the guise of providing a data sheet.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=lugol%2527+s+iodine+data+sheet In PDF document text
- http://files.pebbleaustralia.com/uploads/1/3/2/7/132710787/7576252.pdfIn PDF document text
- http://vedopu.bernardfraga.com/uploads/1/3/2/6/132681579/kuvusulibitisiw_salurerowox_kupubasevi_noditi.pdfIn PDF document text
- http://files.louiseneaveportfolio.com/uploads/1/3/1/3/131381542/9159848.pdfIn PDF document text
- http://jawizifuf.thepts.net/uploads/1/3/1/4/131452977/jevowobo.pdfIn PDF document text
- http://pijin.brijcommunity.org/uploads/1/3/2/3/132303354/mixawav_lunikufazujakoz_nobikok_segipegaxesol.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/1/0449/3508/6248/files/mazebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/somewhere_safe_with_somebody_good.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4480/5525/files/nakuwuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4258/5241/files/mathematics_textbook_for_university.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2269/6098/files/tokisofufedojisizim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0411/6637/files/niwofofejikekufilotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3556/5978/files/litavekewujafotalive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1042/4993/files/6054767103.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5855/1189/files/76673156224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1342/2753/files/4578528077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2482/6014/files/ribakoxedas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7984/2457/files/gakalekan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4439/7471/files/sewoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2289/9608/files/98659397520.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_off00007ba9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BA9 | 4964 bytes |
SHA-256: d3c9f7606eee379bc00ca1e4e0b3d585d1c5bc74378912ef9c752f3755033883 |
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font_01_sfnt_off00008c91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C91 | 10240 bytes |
SHA-256: cce9f823bdc9fafaddf33eefb148dd12d57d35c8509e3f6c2b1ee19fc847aa53 |
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