MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify domains but are likely part of a link farm to obscure the true malicious destination. One critical heuristic firing indicates a direct link to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the primary intent is to redirect users to potentially harmful 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.ru/pify?keyword=neil+degrasse+tyson+astrophysics+in+a+hurry+pdf In PDF document text
- http://files.henkvantwillertandventodonorte.com/uploads/1/3/1/3/131383544/xebosaxuparaj_xatetiwidaju_jewigo_samebelek.pdfIn PDF document text
- http://files.idabees.org/uploads/1/3/2/6/132681767/makumejen_dulivab.pdfIn PDF document text
- http://files.jakegrahamphotography.com/uploads/1/3/1/3/131381003/57b7755a6c10.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/1/0433/4397/0463/files/687052163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9961/7448/files/kokasubazufegikimuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9525/2374/files/fijupexoxezev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/3757/6603/files/south_african_national_anthem_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8936/2082/files/kikiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4081/5774/files/39840404354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/5614/1212/files/how_to_pull_branch_from_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/monumegasuwipijuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9912/7959/files/22771389305.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7353/6149/files/xutedijopozoburixurupeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7473/1685/files/welivuloduwad.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_off00006081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6081 | 5488 bytes |
SHA-256: 3902bb5b1678a49b96f275d35bd88721eaed4e7528f2a6ce3df8a5197fa3e191 |
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font_01_sfnt_off0000732a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x732A | 13436 bytes |
SHA-256: 84bcc012fcd1d1461288bf7a4d00d29d6e4c995d2bca947f0c40c20425464978 |
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