MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to a known malicious domain, ttraff.com. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'esl adjectives worksheet pdf'. The ML classifier strongly indicated maliciousness, and the PDF structure includes a mass external link farm, suggesting a phishing or redirection campaign.
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=esl+adjectives+worksheet+pdf
- http://files.lvccpp.com/uploads/1/3/1/1/131164185/sutenoto-xovad-zujevam.pdf
- http://files.8trackbooking.com/uploads/1/3/1/4/131407530/kutudixusokoginavu.pdf
- http://files.stu-art.us/uploads/1/3/1/3/131383283/7498380.pdf
- http://files.friendsoftimbercrest.org/uploads/1/3/2/6/132681757/sexiwebadega.pdf
- http://files.battersboxchicago.com/uploads/1/3/1/6/131637853/finaxuxe.pdf
- https://cdn.shopify.com/s/files/1/0429/5540/7511/files/99318835794.pdf
- https://cdn.shopify.com/s/files/1/0434/1288/1564/files/cracker_barrel_lafayette.pdf
- https://cdn.shopify.com/s/files/1/0434/4990/9415/files/99362056029.pdf
- https://cdn.shopify.com/s/files/1/0432/3636/0351/files/98743375881.pdf
- https://cdn.shopify.com/s/files/1/0429/0255/2742/files/39282287486.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67331216746.pdf
- https://cdn.shopify.com/s/files/1/0431/3271/5163/files/vaborix.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/20458127305.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/91567692913.pdf
- https://cdn.shopify.com/s/files/1/0430/8992/0154/files/4_hour_work_week_full.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_off00009b8a.binc72cc54b562e31ba2d6e59be3c4b73a2e88a33a43ff28934f1367cba32f45c5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B8A | 5492 bytes |
font_01_sfnt_off0000ae51.bin6c7db8d3d8c49c2dcb8f0005a78a53ac4c681e48c69e7379705d6d88e9ea32a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE51 | 10412 bytes |
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