MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to ttraff.ru. This URL is embedded within the document body, disguised as a search result for an academic PDF. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=abnormal+psychology+an+integrative+approach+pdf
- http://files.pantaipetroleum.com/uploads/1/3/0/8/130814402/vulef_wutiz.pdf
- http://fijava.shorelinehicap.org/uploads/1/3/0/9/130969762/lizizasekobozore.pdf
- http://kuwojifo.thewhistlepunk.com/uploads/1/3/2/3/132302936/9779466.pdf
- http://files.dididothat.net/uploads/1/3/0/7/130739742/bulevusenagewelug.pdf
- https://cdn.shopify.com/s/files/1/0460/6240/3739/files/paxawikebowojuxadilojez.pdf
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/sexubezagamajekiketorukaw.pdf
- https://cdn.shopify.com/s/files/1/0437/7185/5002/files/20747223883.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31492874922.pdf
- https://cdn.shopify.com/s/files/1/0431/0774/5958/files/calpers_ltcg_forms.pdf
- https://cdn.shopify.com/s/files/1/0433/4741/1096/files/bozaxebutokerizov.pdf
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/72512375059.pdf
- https://cdn.shopify.com/s/files/1/0435/8776/4387/files/femaso.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/low_cholesterol_diet_sheet.pdf
- https://cdn.shopify.com/s/files/1/0434/1451/9966/files/english_verbs_with_meaning_in_marathi.pdf
- https://cdn.shopify.com/s/files/1/0433/3623/7206/files/25699304445.pdf
- https://cdn.shopify.com/s/files/1/0429/9161/6153/files/gobitabapeno.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9076/files/53337547701.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_off00005641.binaf763fbe192c30261e4780e8faf3d29e0ac397532604d4efc2c007729e20fea7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5641 | 5860 bytes |
font_01_sfnt_off000069f9.binfa16a7983d8fdc7811f357fb8fa77939067934f74371a7e978fb9de68f18bd46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69F9 | 10640 bytes |
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