MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=android+bitmap+width+pixels', which is a primary indicator of malicious intent. The presence of numerous other PDF links, many hosted on shopify.com, suggests a link farm or a method to disguise the malicious redirector.
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.cc/pify?keyword=android+bitmap+width+pixels
- http://files.ourcountryproperty.com/uploads/1/3/0/8/130874278/3f194e24d4b.pdf
- https://cdn.shopify.com/s/files/1/0433/8424/2337/files/all_basic_guitar_chords.pdf
- https://cdn.shopify.com/s/files/1/0432/2384/2983/files/66158678558.pdf
- https://cdn.shopify.com/s/files/1/0435/8150/5695/files/behavioral_design_patterns.pdf
- https://cdn.shopify.com/s/files/1/0434/5085/9670/files/modul_akuntansi_sektor_publik.pdf
- https://cdn.shopify.com/s/files/1/0452/5889/9618/files/33663463597.pdf
- https://cdn.shopify.com/s/files/1/0435/6790/6977/files/arcaea_apk_revdl.pdf
- https://cdn.shopify.com/s/files/1/0435/9254/8511/files/92935651213.pdf
- https://cdn.shopify.com/s/files/1/0433/9371/2286/files/91679251418.pdf
- https://cdn.shopify.com/s/files/1/0429/3256/8220/files/acids_and_bases_worksheet_answers.pdf
- https://cdn.shopify.com/s/files/1/0454/7362/8326/files/internet_explorer_for_mac_2017_free.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/bureguwawez.pdf
- https://cdn.shopify.com/s/files/1/0435/3739/9957/files/accident_reporting_at_work_uk.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_off00009519.binbf19a6894817c4d225c5ea36ec46a4e9632810a3fac077a8debcefdc56c2aa60 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9519 | 5488 bytes |
font_01_sfnt_off0000a79d.bind33c0d8c5272b58f621aac043040feec9baf1c1f4b46d50750a98e3f77e2d5e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA79D | 14412 bytes |
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