MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK indicating a link to ttraff.ru, a known malicious redirector. The document body, though partially garbled, contains the text 'Comparative financial statements', suggesting a lure to trick users into clicking the malicious links. The PDF_SEO_LINK_FARM heuristic indicates a large number of external PDF links, many hosted on Shopify, which are likely part of a link farm to improve search engine ranking for malicious content. The primary malicious IOC is the redirector URL.
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=comparative+financial+statements In PDF document text
- http://files.fultonfalcons.com/uploads/1/3/0/7/130740213/ed1c55.pdfIn PDF document text
- http://files.annbeurdesign.com/uploads/1/3/1/4/131454109/buvedezoxut-bagisepifa-pifefamamatuw-fatematomopoz.pdfIn PDF document text
- http://files.motodesigncafe.com/uploads/1/3/0/7/130775435/zinimerijises-renabolipunu-lajiwimojupur.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/1/0429/1713/4499/files/83030990813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0857/3085/files/67868009310.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6535/2097/files/40234900374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/81302298061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7318/3637/files/fekufaravupusogudotetobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8170/3319/files/69891712779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/mumox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6055/2085/files/82230962515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6962/8828/files/55374639973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/tesatudakesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1818/1013/files/berixajaxipirenozov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gizuvesadumewagetikuxumut.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_off000070a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A7 | 5032 bytes |
SHA-256: aa1dbb9dd546dd2115251d01d99627098c59e2e4e4a63dfbe1eb10202b1139df |
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font_01_sfnt_off000081a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81A7 | 14292 bytes |
SHA-256: 2e3eca0f0d3ead810e4f2f9c5de6a8dde68628ca86ac2d9058f374116e05022c |
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font_02_sfnt_off0000ae19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE19 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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