MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm intended to obscure the malicious redirector. The ML classifier also strongly indicated maliciousness.
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=magneto+ignition+system+working+pdf
- http://files.lisakalma.com/uploads/1/3/1/3/131383329/zumulara.pdf
- http://sokubi.walkingmeditation.eu/uploads/1/3/1/4/131452836/58bf743acc35f9.pdf
- http://monulil.tetcommunity.com/uploads/1/3/1/4/131437423/bojikopub.pdf
- https://cdn.shopify.com/s/files/1/0433/7087/2995/files/88011235010.pdf
- https://cdn.shopify.com/s/files/1/0434/3712/9895/files/bemba_bible.pdf
- https://cdn.shopify.com/s/files/1/0433/7431/3633/files/zosumofabuguxegomox.pdf
- https://cdn.shopify.com/s/files/1/0433/7863/8998/files/hp_deskjet_f4480.pdf
- https://cdn.shopify.com/s/files/1/0434/3159/2092/files/need_for_speed_most_wanted_crac.pdf
- https://cdn.shopify.com/s/files/1/0447/3955/9578/files/plant_breeding_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0432/2469/4939/files/36441730157.pdf
- https://cdn.shopify.com/s/files/1/0439/3864/4136/files/baixar_parasitologia_humana_neves.pdf
- https://cdn.shopify.com/s/files/1/0431/3038/8642/files/bakinisonedi.pdf
- https://cdn.shopify.com/s/files/1/0432/7407/6315/files/41229649365.pdf
- https://cdn.shopify.com/s/files/1/0429/2296/7206/files/42681334821.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_off00006f4c.binabc4d18d2df33d4fbf872fd0b3d9eea1fc4758acec595bdc028dbdd06e2e5b28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F4C | 5380 bytes |
font_01_sfnt_off0000819f.binb6d22b799d88038548eb68e9a91dfbf88aed774c17ab94a05f76e51c61f49979 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x819F | 9876 bytes |
font_02_sfnt_off0000a377.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA377 | 4324 bytes |
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