MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the URL 'https://ttraff.cc/pify?keyword=myisam+vs+innodb', which is likely used to redirect users to a malicious site. The presence of numerous other links, many hosted on Shopify, suggests a link farm designed to obscure the final malicious destination.
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=myisam+vs+innodb
- http://files.happysnapsstudio.com/uploads/1/3/2/7/132740638/lepebakib-pumexubifa-xibivabizuwe.pdf
- http://files.abbottscreekpta.org/uploads/1/3/0/7/130738621/12dbf8273e1b80.pdf
- http://files.hippiechickband.com/uploads/1/3/0/8/130874058/e20f51b335ce.pdf
- http://files.goldenbridgesschool.org/uploads/1/3/1/6/131636969/3018873.pdf
- https://cdn.shopify.com/s/files/1/0431/0306/0128/files/51300552847.pdf
- https://cdn.shopify.com/s/files/1/0427/8861/8396/files/mariners_seating_chart.pdf
- https://cdn.shopify.com/s/files/1/0430/4489/6917/files/vujuvusetewidozevinipane.pdf
- https://cdn.shopify.com/s/files/1/0433/6841/5400/files/sowetegedavimesutuwa.pdf
- https://cdn.shopify.com/s/files/1/0434/4895/9141/files/63278122217.pdf
- https://cdn.shopify.com/s/files/1/0434/7396/1125/files/27501225468.pdf
- https://cdn.shopify.com/s/files/1/0429/6730/2303/files/julelexazidavemabok.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85286147205.pdf
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/lasexomujaponigip.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5763/files/wurileja.pdf
- https://cdn.shopify.com/s/files/1/0427/9740/0223/files/70852606137.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_off00007ddc.bina41bf70d0b2e91b58ccbe312c4da7a6279815b21db1ad84a32ea928ca6fe1754 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DDC | 5148 bytes |
font_01_sfnt_off00008f66.bincb99457b88849afe0ee3bba8412d6870d2c2e40558389151a0957244764797b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F66 | 15024 bytes |
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