MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The primary malicious URL, https://ttraff.com/pify?keyword=wedding+invitation+cards+templates+word, is likely used to lure victims with a seemingly relevant search term. The document body, though heavily obfuscated, contains references to this URL and appears to be generated by wkhtmltopdf, a tool often abused for creating malicious PDFs.
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=wedding+invitation+cards+templates+word
- http://xukut.alphaeta42.com/uploads/1/3/1/6/131606349/3463050.pdf
- http://files.tarpanmanagers.com/uploads/1/3/0/8/130874124/4176531.pdf
- http://zibexo.diamondcutglass.com/uploads/1/3/1/4/131406970/tasigijikowexax.pdf
- https://cdn.shopify.com/s/files/1/0437/0631/9001/files/fiweronufox.pdf
- https://cdn.shopify.com/s/files/1/0438/2579/1133/files/penatalaksanaan_asma_pada_anak.pdf
- https://cdn.shopify.com/s/files/1/0437/1379/0106/files/update_anomalies_in_dbms.pdf
- https://cdn.shopify.com/s/files/1/0429/3482/9223/files/disable_background_sync_android.pdf
- https://cdn.shopify.com/s/files/1/0439/7744/1438/files/fiddling_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0436/0686/8126/files/aging_society_and_the_life_course.pdf
- https://cdn.shopify.com/s/files/1/0434/1871/4277/files/ruvonivuzuwijofokowus.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0300/files/43844444392.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4503/files/69904922578.pdf
- https://cdn.shopify.com/s/files/1/0441/2270/1976/files/denon_soundbar_dht-_t100_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_off00006c7a.bin6b2c77e7d30795b0297af5a55c4a4ec2ba3f20f8ef908ed012342172efd5982c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C7A | 5556 bytes |
font_01_sfnt_off00007f63.bin977820683f7c47dcccf1942c682b700ca518306b27210f7f67e8ff4fd5804aa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F63 | 9796 bytes |
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