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, a technique often used to create link farms for SEO manipulation or to obscure malicious destinations. One of the embedded URLs, 'https://ttraff.com/wb?keyword=matthew%20arnold%20the%20study%20of%20poetry%20pdf', is identified as a malicious redirector. While many other links point to benign Shopify domains, the presence of the malicious redirector indicates a phishing or malware distribution attempt.
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/wb?keyword=matthew%20arnold%20the%20study%20of%20poetry%20pdf In PDF document text
- http://files.jericosoundsystems.com/uploads/1/3/1/4/131438111/3776236.pdfIn PDF document text
- http://bitase.corporatechilllout.com/uploads/1/3/1/4/131407511/5c7836e4a0805.pdfIn PDF document text
- http://files.varsity-prep.com/uploads/1/3/0/8/130813054/5058841.pdfIn PDF document text
- http://zesamuw.sowheetscakeshop.com/uploads/1/3/0/7/130775795/9961316.pdfIn PDF document text
- http://files.hilltopbusinessassociationdavenport.com/uploads/1/3/1/4/131452935/1659712.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/1/0434/9699/7030/files/visualforce_developer_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8787/9580/files/69653439611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8935/3109/files/xujenumovupavat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0704/9877/files/jizunikuvelegagam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/beloromawodosuxaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2890/6138/files/mopemezevefezejenudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7826/2692/files/xuzajurelinurasopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1384/0793/files/60263603628.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7221/5448/files/68281197419.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/2844/3299/files/comments_in_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9803/8679/files/14030825880.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9827/3944/files/29305022055.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_off00006ea2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EA2 | 5328 bytes |
SHA-256: da563d979af8b63b31c72332eea5c747fdbad3613ab37756dadd14daef8aea0f |
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font_01_sfnt_off000080db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80DB | 10236 bytes |
SHA-256: c981a9dcfa3e8aad814b93251eea0ec80a741465a3e2308f3eb40fadb0f20c59 |
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