MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is designed to lead users to malicious content. The document also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farms used to distribute malware. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to manually execute a command, bypassing macro restrictions. The embedded URL in the document body, 'https://ttraff.ru/pify?keyword=project+cerberus+apk+1.+4.+5', is the primary indicator of malicious intent.
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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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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=project+cerberus+apk+1.+4.+5 In PDF document text
- http://files.autisticpridereading.co.uk/uploads/1/3/2/6/132682919/8276601.pdfIn PDF document text
- http://pusuniw.mymealwormsfarm.com/uploads/1/3/2/6/132681352/ratetavame.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/1/0454/3050/5628/files/wikanobemolemuxoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98029452840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4035/6005/files/37826667743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/xubaxedewojilofinebewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4135/6950/files/dutonew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7133/1734/files/lakavosifamifoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/44064320653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8660/1626/files/expressed_breast_milk_intake_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/4429/5076/files/huskee_riding_lawn_mower_parts_diagram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4490/4865/files/57088015507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8520/7454/files/7192977331.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_off000073f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F4 | 5200 bytes |
SHA-256: 2de70e54464471d280fb8073ba77b580361916f2ca52e0450f15d313ea56ecaf |
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font_01_sfnt_off000085d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85D0 | 11276 bytes |
SHA-256: 4d82586fd2e8acde22deeb018c0aeb9c60023ec33786972c57d47395d24d0db2 |
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font_02_sfnt_off0000ac03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC03 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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