MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, forming a link farm. One of these links, 'https://ttraff.cc/pify?keyword=the+masculine+gender+of+spinster+answers', points to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body itself is heavily obfuscated and contains a mix of text and URLs, suggesting it's designed to lure users into clicking malicious links.
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=the+masculine+gender+of+spinster+answers In PDF document text
- http://files.jugglingforjustice.org/uploads/1/3/1/0/131070581/timunigusefotuk-kitezila.pdfIn PDF document text
- http://files.shavanocreek.com/uploads/1/3/1/3/131398159/tazok.pdfIn PDF document text
- http://files.dodici-azpadu.com/uploads/1/3/1/6/131606951/januwuk.pdfIn PDF document text
- http://files.rockwellamezchurch.org/uploads/1/3/1/6/131607029/466965.pdfIn PDF document text
- http://wamusiw.forestheightsacademyofexcellence.org/uploads/1/3/1/8/131857920/xulituxezusevi-komugudaw-tezajoko.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/1/0437/1673/9222/files/3791802288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9577/7699/files/63508725951.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8716/6628/files/penejodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/krishna_s_textbook_probability_theory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5629/0206/files/characteristics_of_a_project_report_writing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wirokole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4040/6684/files/pirubijosasozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2089/1798/files/aakash_2018_answer_key_neet.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_off0000445d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x445D | 5492 bytes |
SHA-256: 02d07de8dd8f1d5145c5256d5627bf468c2b08dfb4f9b52726e91279a64ccef4 |
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font_01_sfnt_off000056ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56EA | 13416 bytes |
SHA-256: 8858712932ef0ac23befcad18c317e6c320471765d1d94b41a1b5fa3004e34f1 |
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font_02_sfnt_off00008054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8054 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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