MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a crossword puzzle answer. The PDF also hosts a large number of external links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly indicated maliciousness. The primary attack vector appears to be social engineering via a deceptive document.
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.cc/pify?keyword=food+thickener+crossword+answer
- http://files.mustangexpediting.com/uploads/1/3/1/4/131406498/1b2dbd76.pdf
- http://feluforov.jammiemelgar.com/uploads/1/3/0/7/130738511/tagijekodezo.pdf
- http://rikifemu.dublinsolicitorscpd.com/uploads/1/3/0/9/130969916/vofegenazowoper.pdf
- https://cdn.shopify.com/s/files/1/0434/3024/8600/files/21478861483.pdf
- https://cdn.shopify.com/s/files/1/0435/6666/1800/files/rogudif.pdf
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/antrenmanlarla_matematik_1_soru_bankas.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fenajowogotuxukat.pdf
- https://cdn.shopify.com/s/files/1/0435/0532/0088/files/gitivad.pdf
- https://cdn.shopify.com/s/files/1/0435/3651/5221/files/ccdc_22.pdf
- https://cdn.shopify.com/s/files/1/0428/4229/2390/files/41120264242.pdf
- https://cdn.shopify.com/s/files/1/0434/3411/5233/files/77959017206.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/73827302753.pdf
- https://cdn.shopify.com/s/files/1/0433/2004/9822/files/acetilcolina_funcion.pdf
- https://cdn.shopify.com/s/files/1/0437/7713/0658/files/missing_you_piano_sheet_music_btob.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/2007_dodge_caliber_manual.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_off000072ba.bin45b89ed3a06c7718b57d21e788b0b81b4b4259b5529021e2867d2b82ad0bd904 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72BA | 5108 bytes |
font_01_sfnt_off0000841f.bin97a3d1f728d37f83876d4d2867419062798746f0e605b1f476e066ffd1acd3d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x841F | 10340 bytes |
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