MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One primary redirector URL, 'https://ttraff.ru/pify?keyword=auto+call+recorder+free++software', is flagged as malicious and used in an image lure, indicating a phishing attempt disguised as free software. The ML classifier strongly supports the malicious verdict.
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.ru/pify?keyword=auto+call+recorder+free++software In PDF document text
- http://files.krisjezakart.com/uploads/1/3/0/7/130776646/3219020.pdfIn PDF document text
- http://files.chillthepartyband.co.uk/uploads/1/3/1/4/131453989/9966247.pdfIn PDF document text
- http://xegisi.valleyvintagesoap.com/uploads/1/3/0/7/130738970/medavavujekoviden.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/1/0430/9182/0711/files/damevi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/tusubawogakadulabat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4843/5861/files/rawuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4349/4807/files/bssa_emblem_locations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2479/3245/files/7858431902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/three_types_of_blood_cells_and_their_functions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/9492/8537/files/16953559099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/3171/9070/files/yoga_asanas_with_pictures_and_names_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71860998709.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5031/9528/files/lexibapilejezis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6515/4463/files/60628431449.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0487/9271/files/74318744998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6471/1575/files/bible_verses_about_success_and_prosperity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1617/4237/files/limisigupezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7923/6760/files/big_ideas_math_algebra_1_student_journal.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_off0000664b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664B | 5096 bytes |
SHA-256: fd8c85cbbc216bf7c07ee85db6a080ea2f77b17a03f1a2bf95b07ae4ae709197 |
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font_01_sfnt_off000077be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77BE | 10608 bytes |
SHA-256: 41fb1d8cd8b87cbbf425bf8fd09f5f128c4d373743f03f0665180bb4599407de |
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