MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, disguised with a seemingly innocuous keyword. The document body, though heavily obfuscated, contains the same URL and a reference to a worksheet, suggesting a social engineering lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=direct+speech+worksheet+grade+3
- http://files.thursdayschildsailing.com/uploads/1/3/1/4/131454466/52a59960d4a9d9.pdf
- https://cdn.shopify.com/s/files/1/0434/2602/1527/files/pixurevixi.pdf
- https://cdn.shopify.com/s/files/1/0430/6078/9409/files/10927386781.pdf
- https://cdn.shopify.com/s/files/1/0448/2121/7442/files/corong_pemisah.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/moserep.pdf
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/xogadozikasazoji.pdf
- https://cdn.shopify.com/s/files/1/0428/4094/8903/files/23690986381.pdf
- https://cdn.shopify.com/s/files/1/0431/8085/1362/files/app_cleaner_free.pdf
- https://cdn.shopify.com/s/files/1/0432/1237/4174/files/drivers_manual_in_spanish.pdf
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/93656755240.pdf
- https://cdn.shopify.com/s/files/1/0429/5409/6806/files/pepofunezekagifugepufo.pdf
- https://cdn.shopify.com/s/files/1/0428/5965/9420/files/makerere_university_courses.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007253.bin412fd108ea59bed17aa88135076a477dd347419a7c83a1ae9c0d5461c522b878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7253 | 5620 bytes |
font_01_sfnt_off0000857e.bind14fde8396ec14ca8403ec083878ba706b91d50abdcb6503eb9ec8feb5b30f6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x857E | 9968 bytes |
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