MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to a known malicious redirector infrastructure, specifically 'ttraff.com'. Another critical heuristic indicates a PDF link farm, with many links pointing to external PDFs hosted on domains like 'cdn.shopify.com' and other file-hosting sites. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic, suggesting a lure to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=list+of+commonly+used+english+words+with+meaning+pdf
- http://files.ledgestonecondominium.com/uploads/1/3/1/8/131856285/buzosimeti.pdf
- http://files.adventuresuntethered.com/uploads/1/3/2/7/132740633/fda838e6a882.pdf
- http://files.pantagespens.com/uploads/1/3/0/7/130776503/lamulela-foxosakala-xotufuwagika-lometago.pdf
- https://cdn.shopify.com/s/files/1/0429/9476/1877/files/denukudovujaburamiwawonus.pdf
- https://cdn.shopify.com/s/files/1/0435/4765/6351/files/xusupugimegapawali.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45397061855.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/79231577096.pdf
- https://cdn.shopify.com/s/files/1/0431/7983/5547/files/tikusuzidapuvobavesaxis.pdf
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/47179490403.pdf
- https://cdn.shopify.com/s/files/1/0430/4017/8333/files/27904485630.pdf
- https://cdn.shopify.com/s/files/1/0429/3450/1535/files/69446713130.pdf
- https://cdn.shopify.com/s/files/1/0431/0247/0305/files/45290899380.pdf
- https://cdn.shopify.com/s/files/1/0430/9575/2864/files/potusibiritifepivo.pdf
- https://cdn.shopify.com/s/files/1/0429/4112/0679/files/1476671407.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_off000064f3.bina31e99dfdd293733ecf08097648d6d6adb48c400b1c0dcddb41b003876d783e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F3 | 5704 bytes |
font_01_sfnt_off00007852.bind598762c2fd58bead86bb7ce6fc81f8513728f0334354ebd0312fcdd1ae7d15a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7852 | 9028 bytes |
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