MALICIOUS
194
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 'https://ttraff.com/pify?keyword=algebraic+topology+allen+hatcher+pdf'. This indicates the document's primary purpose is to redirect users to a potentially harmful site. The presence of a large number of external PDF links, many hosted on Shopify, further suggests a link farm or SEO manipulation tactic to obscure the malicious destination. No scripts were extracted, but the PDF structure and embedded links strongly suggest a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.com/pify?keyword=algebraic+topology+allen+hatcher+pdf In PDF document text
- http://nidasigax.leannewaterhouse.com/uploads/1/3/1/4/131482853/e6bdcb6.pdfIn PDF document text
- http://gegati.cosmicrockbooklets.com/uploads/1/3/1/6/131637814/ce55f.pdfIn PDF document text
- http://files.detaillocksmiths.com.au/uploads/1/3/0/8/130874043/440f08.pdfIn PDF document text
- http://files.stewartislandnews.com/uploads/1/3/1/3/131384424/memakowogulejurid.pdfIn PDF document text
- http://files.quasilocum.com/uploads/1/3/1/3/131380733/dazepip-tefifipipewesex.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/1/0434/0183/8744/files/26231146152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5265/2951/files/21610331172.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9579/3568/files/basic_accounting_principles_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7358/4793/files/algebra_2_larson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8481/5259/files/gastrointestinal_infection_treatment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/tumete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85484739365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/fipuveregejoseradofaris.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3080/5671/files/aperturas_de_ajedrez_descargar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4910/6080/files/sql_tutorial_with_examples_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9811/2167/files/legawizejejixaxosufe.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_off00006d56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D56 | 5468 bytes |
SHA-256: f3e85afac7cddf2fa1320309e36b6d13994f9fac71448ccf0fdf14e3614045a6 |
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font_01_sfnt_off00007fe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FE3 | 9916 bytes |
SHA-256: cca1c2cf5d851d79062022d611fbbe08c4402a3c6527de413a0fb0e3fafc9f33 |
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