MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high density of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Th350 transmission rebuild manual pdf' and the malicious URL, suggesting a lure to trick users into downloading further malicious content. The ML classifier strongly supports the malicious verdict.
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=th350+transmission+rebuild+manual+pdf
- http://files.westervilletherapy.com/uploads/1/3/1/4/131454270/givunomufuses-vazoriv-kizexodu.pdf
- http://files.zip-dang.com/uploads/1/3/1/3/131383664/gadizubobowow_kufusu.pdf
- http://files.duyfkentech.com/uploads/1/3/1/4/131483955/firobire.pdf
- https://cdn.shopify.com/s/files/1/0436/2534/9273/files/nunerejunejasuva.pdf
- https://cdn.shopify.com/s/files/1/0435/4696/8218/files/76030441829.pdf
- https://cdn.shopify.com/s/files/1/0431/4788/6743/files/73511377703.pdf
- https://cdn.shopify.com/s/files/1/0431/5666/8565/files/41433944316.pdf
- https://cdn.shopify.com/s/files/1/0432/6644/1376/files/android_default_browser.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/liwukepurenugiweda.pdf
- https://cdn.shopify.com/s/files/1/0431/2239/3244/files/1556901539.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/44283249375.pdf
- https://cdn.shopify.com/s/files/1/0428/6083/9079/files/nujonexotolurawulitudege.pdf
- https://cdn.shopify.com/s/files/1/0429/6540/1753/files/12682575182.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_off00007da0.bin515d6dca27b39a82c696b3b58f87fb76bb3433c0cddf93bd21c13a7389a6a993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DA0 | 5684 bytes |
font_01_sfnt_off000090b3.binc1ad1bd0a9853db6df3f27cc0a09b68c58be08f103399c53a46812e190d5406b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90B3 | 10036 bytes |
font_02_sfnt_off0000b302.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB302 | 4324 bytes |
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