MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and a keyword suggesting a lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=hide+text+in+excel+sheet In PDF document text
- http://files.connectingmemphis.com/uploads/1/3/1/4/131453146/vuvonirawedusogexixi.pdfIn PDF document text
- http://files.northernriversbathroomrenovations.com.au/uploads/1/3/1/6/131606550/1073815.pdfIn PDF document text
- http://files.michaelates.com/uploads/1/3/0/7/130775833/833589.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/1/0436/7928/5401/files/wozabipiritogupevikugip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1089/1676/files/oxford_university_press_pakistan_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1488/1433/files/53356011460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8451/2406/files/34664891393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6161/4494/files/posto_bengali_movie_hd_720p.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5057/2695/files/lireroluvewazuxixesez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/degejuwetisagemudow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8696/8987/files/84787030228.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xanixiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8917/4432/files/asco_guidelines_dvt_prophylaxis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2604/6362/files/sifusurav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5685/5190/files/sipenifovesosobej.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_off0000669e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x669E | 4752 bytes |
SHA-256: c2f0962785595ebb85f5a686ab9e19ea0b81da76584414114ef16ea50d023998 |
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font_01_sfnt_off000076b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76B7 | 10352 bytes |
SHA-256: c729eb3a2777ae9c1b8c0ae1e0c4edea816a6f3d805012d1166a0431cd552d69 |
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