MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to deliver a secondary payload. The document body, though heavily obfuscated, contains the text 'Impossible quiz answer 29' and the malicious URL, suggesting a lure to trick the user into clicking the link. The PDF also hosts a large number of external links, many pointing to Shopify domains, which is characteristic of SEO-based link farms used for distributing malicious content.
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=impossible+quiz+answer+29
- http://files.brookeashleyco.com/uploads/1/3/1/0/131071256/1961986.pdf
- http://files.maltacaninesociety.org/uploads/1/3/1/4/131410812/f3e5b0e2c5df.pdf
- http://zalefuj.midwestroping.com/uploads/1/3/0/9/130969754/6290340.pdf
- http://lifij.totalprosoccer.com/uploads/1/3/0/7/130776428/68a6b587c63.pdf
- https://cdn.shopify.com/s/files/1/0435/9300/7272/files/lowerebejavofiwojojuse.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/76889074682.pdf
- https://cdn.shopify.com/s/files/1/0428/9753/9231/files/magazine_layout_sample.pdf
- https://cdn.shopify.com/s/files/1/0436/6237/7113/files/woxovumijidegitadifo.pdf
- https://cdn.shopify.com/s/files/1/0431/1475/8293/files/nubuvebanoduvizuful.pdf
- https://cdn.shopify.com/s/files/1/0430/5548/0981/files/2682270322.pdf
- https://cdn.shopify.com/s/files/1/0435/5283/3695/files/nagavutowozumupoju.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/81885372208.pdf
- https://cdn.shopify.com/s/files/1/0429/6150/2362/files/82721748136.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_off00005f90.bin80d7c8df3cc337668b2f6028f149f9b20b625c20bfa8adf45f9d811da8addb8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F90 | 5400 bytes |
font_01_sfnt_off000071d4.bin3cee6f7382673241fad645321c43b0376e9df11095287e1907b00379a37a3f94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D4 | 10492 bytes |
font_02_sfnt_off0000956a.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x956A | 4324 bytes |
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