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, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=argumentation+understanding+and+shaping+arguments+5th+edition+pdf', is designed to redirect users to malicious content. The document also contains a large number of SEO-optimized links, many of which point to Shopify domains hosting PDF files, suggesting a link farm tactic to improve search engine ranking for malicious content. 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.cc/pify?keyword=argumentation+understanding+and+shaping+arguments+5th+edition+pdf In PDF document text
- http://files.hopeanimations.com/uploads/1/3/0/8/130814346/8090035.pdfIn PDF document text
- http://files.dahammaak2k.com/uploads/1/3/0/8/130814393/molabaju-mapusa-fexufegojuvome-katobesipu.pdfIn PDF document text
- http://files.northwestalbertabrighterfutures.com/uploads/1/3/0/9/130969077/4618884.pdfIn PDF document text
- http://files.the-freelance-artists.com/uploads/1/3/1/3/131380126/e25a62320b7.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/1/0433/7342/8888/files/how_to_read_a_person_like_a_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/wakalez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/catfish_farming_in_concrete_tanks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3241/1298/files/bhagavad_gita_gujarati_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/livoxigugefeguvon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7743/5556/files/saree_blouse_block_cutting_method.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2087/5938/files/export_nano_docker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9902/1717/files/66407879660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2050/7544/files/after_we_collided_book_download.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_off00005853.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5853 | 5536 bytes |
SHA-256: 675a7b132aaa1107ec1590a606ce15862fb96b099fbe34c1f0b143c826803629 |
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font_01_sfnt_off00006b01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B01 | 10504 bytes |
SHA-256: 7e8bc60ce12692706a7d1d73d9d438d66caf00fd0e29312872103396fb888d48 |
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