MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics indicating malicious redirection and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains numerous embedded URLs, with the primary suspicious URL being https://ttraff.com/pify?keyword=icao+annex+5+pdf, which is likely a redirector to a malicious site. The presence of a large number of external links, many hosted on Shopify, suggests a tactic to obscure the final malicious destination.
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=icao+annex+5+pdf
- http://zotow.mrscooke.com/uploads/1/3/1/6/131606260/8803219.pdf
- http://files.kileykellermeyer.com/uploads/1/3/1/4/131453753/2190707.pdf
- http://files.sagireconsultingfirm.com/uploads/1/3/0/8/130874554/1819056.pdf
- https://cdn.shopify.com/s/files/1/0434/9722/6402/files/72939681083.pdf
- https://cdn.shopify.com/s/files/1/0434/3041/2437/files/rowolutisaj.pdf
- https://cdn.shopify.com/s/files/1/0435/4670/6088/files/85184442714.pdf
- https://cdn.shopify.com/s/files/1/0430/1396/3929/files/enlace_quimico_ionico_y_covalente.pdf
- https://cdn.shopify.com/s/files/1/0433/9122/1911/files/tapuriwejorawagasome.pdf
- https://cdn.shopify.com/s/files/1/0429/5714/4230/files/kolaroji.pdf
- https://cdn.shopify.com/s/files/1/0432/7433/8472/files/kanunadadizikekodad.pdf
- https://cdn.shopify.com/s/files/1/0433/4397/0463/files/different_types_of_seismic_waves.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/norojakibi.pdf
- https://cdn.shopify.com/s/files/1/0435/3199/3242/files/rupesusuxesapeloj.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_off00004915.bin2c419362d01d4e7d9d64791f54aec6605c56d6d52740bc2eaab593124f4879e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4915 | 4972 bytes |
font_01_sfnt_off00005a25.bin650a766ad394194fa601b7534d58583c1bd19390a78146ae5a6c07dc902794a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A25 | 9960 bytes |
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