MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a phishing or malware distribution site. The document body, though heavily obfuscated, appears to be a lure related to 'audio editing software for android phones'. The presence of numerous external PDF links, many hosted on shopify.com, suggests a link farm or SEO poisoning technique to improve search engine visibility for malicious content.
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=best+audio+editing+software+for+android+phones In PDF document text
- http://files.seattosleep.co.uk/uploads/1/3/2/6/132695418/1b7af.pdfIn PDF document text
- http://files.orangevalleycreations.com/uploads/1/3/1/3/131383510/bujofaketuwomidabej.pdfIn PDF document text
- http://files.therustywagon.org/uploads/1/3/0/7/130775286/6292be26be216.pdfIn PDF document text
- http://files.rivendellcoins.com/uploads/1/3/1/4/131454670/d5d868f.pdfIn PDF document text
- http://files.anchorchainkennel.com/uploads/1/3/2/7/132711999/dutabafirajo.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/1/0433/4324/9563/files/tosudofewakonototakixum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2679/1075/files/buginivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4972/2790/files/pivaragopuwadobovij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8138/4604/files/xenokad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1282/4993/files/35078063488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7118/4794/files/tovowoginafujorigobuboz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2626/7816/files/34080978303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3348/5727/files/xigazolugujomalusavefeni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9768/5157/files/64489019610.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8673/1671/files/pedivalavus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jujirufevob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9074/8316/files/wasowagujus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4836/1375/files/69593989908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9279/4774/files/62084374664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7426/3963/files/77537935673.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_off0000832c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x832C | 5296 bytes |
SHA-256: ec1f9a8d59982a442c574316dde03a122dd99ec462baaddb502fed35d214eb24 |
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font_01_sfnt_off00009538.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9538 | 10636 bytes |
SHA-256: fb660f4862b0e753e1f8c8103d559b8f16b424686908c4df84f923394fa0162f |
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