MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The ML classifier strongly indicated maliciousness. The document body and embedded links suggest a lure related to 'firewall pro root apk', likely a phishing attempt or a method to drive traffic to malicious sites. The presence of numerous shopify.com links, while many are marked benign, could be an attempt to obscure the malicious redirector or to create a link farm for SEO manipulation.
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=firewall+pro+root+apk
- http://files.royaltytravel.us/uploads/1/3/1/6/131637257/1115351.pdf
- https://cdn.shopify.com/s/files/1/0427/5293/4044/files/27102204993.pdf
- https://cdn.shopify.com/s/files/1/0430/3686/8762/files/zuvobemegid.pdf
- https://cdn.shopify.com/s/files/1/0436/4782/8133/files/battery_discharge_test_procedure.pdf
- https://cdn.shopify.com/s/files/1/0428/8135/1839/files/xedaveka.pdf
- https://cdn.shopify.com/s/files/1/0428/5395/7799/files/skype_old_versions_for_windows_xp.pdf
- https://cdn.shopify.com/s/files/1/0433/6844/8165/files/random_real_us_address.pdf
- https://cdn.shopify.com/s/files/1/0434/5895/3369/files/sifedevewarifuz.pdf
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/56215770795.pdf
- https://cdn.shopify.com/s/files/1/0430/1442/2677/files/28312413704.pdf
- https://cdn.shopify.com/s/files/1/0440/0414/7350/files/curso_de_ingles_gratis_completo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004718.binae4680d44d10a2afce350702f5c55d02884aa800962e4d4811cde43bece1e7b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4718 | 4748 bytes |
font_01_sfnt_off00005753.bindfab3945eace5ba27be1ad95d63d5142397767eab6bca27773794b33bda2302c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5753 | 1796 bytes |
font_02_sfnt_off00005fdd.bin844b11732a387dc9249ab600a5fd5b8ff9d829b1252b6e2224fc810de9b0af5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FDD | 10140 bytes |
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