MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of embedded links, many pointing to Shopify-hosted PDFs, indicative of a link farm. One critical heuristic identified a link to a known malicious redirector at https://ttraff.cc/pify?keyword=picsart+gold+premium+apk+2019. The ML classifier also strongly flagged this PDF as malicious. The document body contains garbled text but includes the same redirector URL.
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=picsart+gold+premium+apk+2019
- http://files.lisamariamadera.com/uploads/1/3/1/4/131453062/xufitosenu.pdf
- http://wakuji.paynterfineart.com/uploads/1/3/1/4/131406071/473af2aacfcb9.pdf
- http://files.theatmpro.com/uploads/1/3/1/0/131070506/1593382.pdf
- https://cdn.shopify.com/s/files/1/0444/5811/5239/files/brche_bungsaufgaben.pdf
- https://cdn.shopify.com/s/files/1/0430/9532/6887/files/jagojipewagumikoro.pdf
- https://cdn.shopify.com/s/files/1/0431/8612/7009/files/5109884841.pdf
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/19269392113.pdf
- https://cdn.shopify.com/s/files/1/0438/4302/7106/files/movolakuman.pdf
- https://cdn.shopify.com/s/files/1/0432/9770/2046/files/mopulomenifiminefunefate.pdf
- https://cdn.shopify.com/s/files/1/0435/5804/3807/files/13349085888.pdf
- https://cdn.shopify.com/s/files/1/0431/7505/1413/files/25552552146.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6586/files/87990288044.pdf
- https://cdn.shopify.com/s/files/1/0440/5490/4997/files/79408714334.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_off000061a8.bind71fc2bd6b9adc903633685183285adb1a6f8a77f3349766048743f69195c15a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61A8 | 5940 bytes |
font_01_sfnt_off000075c6.bin2f01432db1936a0cd7f049adf62fc06a7df1b21d2aa6cb003e9651c513fbe97a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C6 | 10128 bytes |
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