MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'immune system test answers' and the malicious URL, suggesting a lure for phishing or malware delivery. 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.ru/pify?keyword=immune+system+test+answers
- http://bosigutip.thehillchristianfellowship.com/uploads/1/3/2/7/132712050/09718f1d.pdf
- http://zidox.voyagescimatur.com/uploads/1/3/1/3/131398020/tejolopurikix.pdf
- http://samizex.nealybirthandlactation.com/uploads/1/3/2/8/132814930/9211092.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5109/6981/files/85213001257.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zugazad.pdf
- https://cdn.shopify.com/s/files/1/0431/5404/7137/files/libomulexavexigaxudetej.pdf
- https://cdn.shopify.com/s/files/1/0434/8510/2237/files/marcelle_bouteiller.pdf
- https://cdn.shopify.com/s/files/1/0441/0900/4952/files/wovapixa.pdf
- https://cdn.shopify.com/s/files/1/0431/5735/6710/files/movukurapedaj.pdf
- https://cdn.shopify.com/s/files/1/0447/1944/0028/files/54757442737.pdf
- https://cdn.shopify.com/s/files/1/0430/1812/5465/files/af_form_931.pdf
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/injustice_gods_among_us_android.pdf
- https://cdn.shopify.com/s/files/1/0429/8617/6675/files/determining_spinner_probability_worksheet_answers.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006891.bin8be2e08d31598f05a876d381e46e1781860eea1cbd8471e0d2efbbc0138a4169 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6891 | 4932 bytes |
font_01_sfnt_off00007949.bincc3296b946c4ea318971eeae3cdbc9842f8996e8b3f0368bc6b86c3fe1b0126f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7949 | 9816 bytes |
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