MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains numerous embedded URLs, including a primary link to a redirector service at 'https://ttraff.ru/pify?keyword=joined+up+handwriting+worksheets+ks1'. This suggests the document is part of an SEO spam or phishing campaign designed to drive traffic to malicious sites.
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.ru/pify?keyword=joined+up+handwriting+worksheets+ks1
- http://faxeroj.jidesigners.com/uploads/1/3/0/7/130739845/1811481.pdf
- http://files.trendytutusbylauren.com/uploads/1/3/2/6/132683014/rafesive.pdf
- http://files.jo-edwards.com/uploads/1/3/1/4/131408432/dekatadixelanu_kebamewuted_zipuravonalepif.pdf
- https://cdn.shopify.com/s/files/1/0428/5906/9599/files/master_chief_helmet_template.pdf
- https://cdn.shopify.com/s/files/1/0429/5314/6517/files/bourbaki_a_secret_society_of_mathematicians.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0709/files/root_android_phone_without_pc.pdf
- https://cdn.shopify.com/s/files/1/0437/9171/2405/files/jezebiv.pdf
- https://cdn.shopify.com/s/files/1/0438/0708/0608/files/map_in_java.pdf
- https://cdn.shopify.com/s/files/1/0433/6300/8664/files/32012329987.pdf
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/kofitipelo.pdf
- https://cdn.shopify.com/s/files/1/0465/1204/6230/files/lojaxalekukafodinomiwur.pdf
- https://cdn.shopify.com/s/files/1/0433/3145/3081/files/bazowonuzovozatav.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65069223210.pdf
- https://cdn.shopify.com/s/files/1/0431/2465/4241/files/nukuvuka.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_off00005627.bin95fe21341c25e8cffd0ae058fe9df4470d4704a502d58ec3b069e81bfc9c267f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5627 | 5388 bytes |
font_01_sfnt_off00006884.bin739299a3f6f01211ed3c7d5076795751f471ae744d5fd9f5378a9702755a6037 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6884 | 9948 bytes |
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