MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirection and link farming, specifically pointing to a redirector at 'ttraff.com'. The document body, though obfuscated, contains the text 'Density of wood g/ cm3' and a URL that matches the redirector, suggesting a lure to trick users into clicking. The ML classifier strongly supports the malicious verdict.
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=density+of+wood+g%252F+cm3 In PDF document text
- http://files.supernaturalentertamitedproductions.org/uploads/1/3/1/4/131455883/visemomitowezij-fezaweku-xevut-kixivim.pdfIn PDF document text
- http://lemivisul.trinitydentalcentre.ca/uploads/1/3/2/8/132814930/fisov-pasodomovuj-wefizuja-xisit.pdfIn PDF document text
- http://zuvaxe.winzerfarmcda.com/uploads/1/3/0/8/130813669/nivaleteti.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/wobeniwotusorurovere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5161/3334/files/93838800416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4687/1974/files/45269779823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6251/8182/files/the_slave_girl_buchi_emecheta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1237/5207/files/midufemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3698/2944/files/52235433609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6823/5675/files/what_about_now_daughtry_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0570/5374/files/zikezuvonezazaxegupepenu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4958/2743/files/annex_11_air_traffic_services.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6443/3566/files/broodmother_dota_2_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6339/2921/files/39333577447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8197/4435/files/alleppey_tourist_guide.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5F5 | 5184 bytes |
SHA-256: 2cc70e0bb7472f8efad63bf085b454945f3b1f3e05d52018232a7bee3dea8666 |
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font_01_sfnt_off0000c7b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7B3 | 15480 bytes |
SHA-256: f34044d5aee4d1ce13defcbc927b26611c27016ddb77234732695a79a2403a23 |
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font_02_sfnt_off0000f707.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF707 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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