MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to appear as legitimate search results, a technique known as SEO poisoning. The primary redirector URL, https://ttraff.ru/pify?keyword=analytic+geometry+ellipse+problems+with+solutions+pdf, is flagged as malicious and used in conjunction with other links pointing to potentially malicious content. The ML classifier strongly indicates maliciousness, supporting the conclusion that this document is part of a malicious campaign.
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=analytic+geometry+ellipse+problems+with+solutions+pdf In PDF document text
- http://files.lavishsalonharrisburg.com/uploads/1/3/0/8/130874317/wimunipefasibisagaw.pdfIn PDF document text
- http://files.stlawrencedistrictmedicalcentre.com/uploads/1/3/1/4/131454549/gozesutovaji_xiroduwatinexad_kumamojiwere_lalodebe.pdfIn PDF document text
- http://files.stylebysooph.com/uploads/1/3/2/3/132303068/makunixaro_rireruzoribawo.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/1/0431/0892/5600/files/71926721494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1496/3868/files/28341185510.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4609/2443/files/muponiboxajasiper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2191/0694/files/16246332285.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7258/4870/files/podegazir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5103/1447/files/43095507986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5412/1635/files/zigewitusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4555/9189/files/ariana_grande_focus_mp3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2862/8124/files/nulowikezadifutugufelev.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_off0000a3eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3EB | 5772 bytes |
SHA-256: dc1b9f4dbbf2bdb3a878b0a802469b8eeb0112083ec00a09d09b5e9fb347cfac |
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font_01_sfnt_off0000b76c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB76C | 13800 bytes |
SHA-256: 9559812cf1671cee39751a34ad208ea998ebd3c4c508700339942e34c177af28 |
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font_02_sfnt_off0000e3e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E1 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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