MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru', which is further reinforced by the document body containing the same URL and search query. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering via a deceptive link.
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.ru/pify?keyword=chandramukhi+movie+songs+free In PDF document text
- http://files.rayzinktattoo.com.au/uploads/1/3/1/4/131453177/korugiviwujepaseb.pdfIn PDF document text
- http://puralid.fullcirclelivingdyingcollective.com/uploads/1/3/1/6/131606968/4dc61dcc7602.pdfIn PDF document text
- http://kijomeji.highlightminiatures.com/uploads/1/3/2/7/132710621/eed015018e6.pdfIn PDF document text
- http://files.four-lakes-taskforce-mi.com/uploads/1/3/0/7/130775834/979f5252da8b784.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/1/0432/1119/4525/files/aaliyah_aaliyah_album.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9793/9361/files/evacuation_plan_templates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8871/5682/files/romajuluwedutupilan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/80049284081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3462/3643/files/dovimobatuvikesezetavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4288/0160/files/how_to_answer_the_phone_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9003/2278/files/catalogue_ikea_1999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2177/7570/files/jefub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0569/7438/files/cayuga_county_family_court_forms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/vonizerufaxukate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5759/4016/files/57645224515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8917/4432/files/chocobo_theme_flute_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/romesafuba.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_off00007391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7391 | 5316 bytes |
SHA-256: b5a982296e2bdee0490497279c04b12299fea8941cdc71c4e1ef46400aa97768 |
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font_01_sfnt_off0000857b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x857B | 13256 bytes |
SHA-256: e9f04d4fc7b2c0791fd9122d99f296787da120d702e0e23dac04a15f26ec319e |
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