MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The primary malicious URL identified is https://ttraff.cc/pify?keyword=etc+defaults+grub, which is likely used to redirect users to a malicious site. The document body contains garbled text but also includes the malicious URL and several benign Shopify URLs, suggesting a content-obscuring technique. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=etc+defaults+grub In PDF document text
- http://files.marcelstewartart.com/uploads/1/3/1/8/131871799/045516082cf.pdfIn PDF document text
- http://files.supernaturalentertamitedproductions.org/uploads/1/3/1/4/131455883/visemomitowezij-fezaweku-xevut-kixivim.pdfIn PDF document text
- http://files.fundep.org/uploads/1/3/0/9/130969190/jiworefukaxitixasa.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/1/0431/2937/2832/files/zugiwojijovirezuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2283/4071/files/86527442156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7215/1959/files/84372024155.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3709/0211/files/rukawuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9765/3397/files/68587968799.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6631/0299/files/the_chronicles_of_thomas_covenant.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5005/0460/files/wivemegufewelofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3417/1800/files/the_world_s_end_full_movie_123movies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5405/6095/files/fairy_tail_episode_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5719/3895/files/xerunebesonatebesoririk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2410/5124/files/modumazujuradometujodo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1596/9688/files/45037320417.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8426/5110/files/39192554862.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_off000098ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98BA | 4904 bytes |
SHA-256: 77934a9439674a7fa1a785c136b6dd355712882ab0e8524364f5dbffc5f4ca6a |
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font_01_sfnt_off0000a971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA971 | 10600 bytes |
SHA-256: 5d3aa0a02c35af3174388ab6310f64087607e08e77da6821113c7bea009cce0d |
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font_02_sfnt_off0000cd7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD7A | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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