MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body also contains this URL, suggesting it's the primary lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination. The ML classifier strongly flagged this PDF as malicious.
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=e.+p.+f+full+form
- http://files.macroleaders.com.au/uploads/1/3/2/3/132302716/7992482.pdf
- https://cdn.shopify.com/s/files/1/0435/6187/7665/files/bmi_table_chart.pdf
- https://cdn.shopify.com/s/files/1/0430/9647/3749/files/15427197541.pdf
- https://cdn.shopify.com/s/files/1/0434/3375/4785/files/hands_on_machine_learning_for_algorithmic_trading_free.pdf
- https://cdn.shopify.com/s/files/1/0441/3915/1512/files/77818350333.pdf
- https://cdn.shopify.com/s/files/1/0433/7310/1214/files/les_contes_d_hoffmann.pdf
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/demadetalidagi.pdf
- https://cdn.shopify.com/s/files/1/0430/6000/2967/files/adventure_time_season_10_episode_1.pdf
- https://cdn.shopify.com/s/files/1/0433/7257/6922/files/1870391246.pdf
- https://cdn.shopify.com/s/files/1/0438/5089/1424/files/biologi_sma_11.pdf
- https://cdn.shopify.com/s/files/1/0437/7093/7495/files/writing_numbers_in_words_printable_worksheets.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_off00005b45.binedcb3e66f87a26a7e967292d4b2026fa606ca74ce1fa596cf1e1180fc9e7c658 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B45 | 4648 bytes |
font_01_sfnt_off00006b02.binf2b3588b53992ce1c95efe00aaaabde4a798a726c4cb946fb8e8b118cdb13da0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B02 | 10244 bytes |
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