MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link to 'ttraff.ru' is identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign, aiming to lure users to malicious sites. The ML classifier strongly supports the malicious nature of this PDF.
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=christian+names+and+their+meaning+pdf In PDF document text
- http://files.behrmanoutfitting.com/uploads/1/3/1/0/131070678/77588cd4302b04.pdfIn PDF document text
- http://files.moldandwaterdamagespecialistinc.com/uploads/1/3/1/6/131636762/luzotopivitikuk.pdfIn PDF document text
- http://files.phuvu.com/uploads/1/3/1/4/131437464/vokuma.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/1/0433/0687/7080/files/42632515291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3864/4136/files/aetna_medicare_drug_formulary_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6232/0536/files/2011_honda_cr_v_owners_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/wojebodoxozovagamexedezug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6667/1782/files/73459022534.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/rawasenaxanurab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5072/1699/files/3270446421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2784/7576/files/causes_of_land_pollution_in_zimbabwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3161/6923/files/robotics_engineering_basics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2520/2332/files/practical_reliability_engineering.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/nobegasirozazena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5533/0966/files/accurate_english_complete_course_pronunciation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8613/5961/files/difference_between_atomic_mass_and_atomic_weight.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_off000063f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63F6 | 5328 bytes |
SHA-256: 1cc9437deb85be736e01e7c092c74c2d44d031721406aa650bac8055f80ed63f |
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font_01_sfnt_off000075e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75E2 | 9768 bytes |
SHA-256: 1f0e81d19ca4aac978e797a03b60ee8b72220e21a2822e7cee08f8332573ab4f |
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