MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to SEO-optimized PDF hosting sites, but a critical heuristic identified a malicious redirector at 'https://ttraff.club/wix?keyword=tongue+twister+tagalog+pdf'. This redirector is likely used to deliver a malicious payload or phish for credentials. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to obscure the true malicious destination.
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.club/wix?keyword=tongue+twister+tagalog+pdf In PDF document text
- http://files.clareannmatz.com/uploads/1/3/1/6/131606127/350687.pdfIn PDF document text
- http://files.mariecharpentier.net/uploads/1/3/1/4/131483019/batipaxadas.pdfIn PDF document text
- http://rutewirat.driussibuiltbathroomrenovations.com.au/uploads/1/3/0/8/130813846/f0c591fac4c.pdfIn PDF document text
- http://rovef.nantymoelprimary.com/uploads/1/3/0/7/130775200/65c1f3eab13.pdfIn PDF document text
- http://files.shiragirlschoir.org/uploads/1/3/2/6/132681438/b19819daffed.pdfIn PDF document text
- http://files.hilliardbradleyfootball.com/uploads/1/3/1/0/131070374/2969571.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/1/0433/0812/2270/files/dulifeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0112/4760/files/xanabunodemesonudajalo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2574/4540/files/topotujokakapenuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6275/5490/files/3765227115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3944/0543/files/goodbye_yellow_brick_road_choir_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7652/5988/files/vazesipulojegewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8664/2336/files/tesijijibagoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4016/9384/files/71208883480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1241/5907/files/answer_math_problems_with_steps.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/dnd_5e_paladin_build.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_off000060eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60EB | 5248 bytes |
SHA-256: 38bb6a4ba6b6775c2089d943c2a673516fad3a33ab4b64d854cd22fc1d00f685 |
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font_01_sfnt_off000072ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EA | 10436 bytes |
SHA-256: 97fdff8cd514cd1b2b963a1b53deb6d91ad43b5c4efd3f38b7c3c4001298273f |
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