MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to academic worksheets and the malicious URL, suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector link indicates a likely phishing or malware delivery attempt.
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=jefferson+vs+hamilton+worksheet+answers
- http://files.wildida.com/uploads/1/3/1/4/131482968/dafisaboberepu.pdf
- https://cdn.shopify.com/s/files/1/0435/8638/8136/files/kenutukupozafexewi.pdf
- https://cdn.shopify.com/s/files/1/0429/9846/4661/files/mkv_to_mov.pdf
- https://cdn.shopify.com/s/files/1/0431/1141/5962/files/70107024314.pdf
- https://cdn.shopify.com/s/files/1/0433/4115/2421/files/lodupajinepirorogogawefuz.pdf
- https://cdn.shopify.com/s/files/1/0431/7688/6431/files/rixuwamu.pdf
- https://cdn.shopify.com/s/files/1/0434/0475/5096/files/pavositokoguruwodoliwud.pdf
- https://cdn.shopify.com/s/files/1/0438/1802/5122/files/united_airlines_mechanic_contract.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/48132039648.pdf
- https://cdn.shopify.com/s/files/1/0430/3152/7575/files/r_vs_r_studio.pdf
- https://cdn.shopify.com/s/files/1/0434/2297/4117/files/45206641670.pdf
- https://cdn.shopify.com/s/files/1/0440/7971/0360/files/zojebatasiduriwopoxow.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/27351426457.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008c1e.binae6a15e151340716201db21fbfe984a81f8e6b6f4c6ca450d660c08659fce1e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C1E | 5000 bytes |
font_01_sfnt_off00009cfe.bin24b1956bb0138cdc97ebffeb532f533b8fea86e83604957c4d15ae2596e868c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CFE | 16064 bytes |
font_02_sfnt_off0000ce6e.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE6E | 4324 bytes |
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