MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though corrupted, contains text related to academic papers and the string 'skripsi kualitatif akuntansi perpajakan pdf', suggesting a lure to disguise the malicious intent. The ML classifier also strongly indicated maliciousness. The primary IOC is the redirector URL which likely leads to further 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.cc/pify?keyword=skripsi+kualitatif+akuntansi+perpajakan+pdf
- http://files.alexjtaylor.com/uploads/1/3/1/4/131437982/0488b6c443e519.pdf
- http://nuzutes.latoyanelson.com/uploads/1/3/1/3/131380600/9418627.pdf
- http://files.sicilyreview.com/uploads/1/3/1/4/131406344/nadajemuk.pdf
- https://cdn.shopify.com/s/files/1/0428/9848/9503/files/5th_edition_monster_manual_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3284/5207/files/vefuxorutise.pdf
- https://cdn.shopify.com/s/files/1/0430/8677/4436/files/sutuzorigomuwop.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/dewukumupinuwoxetilufuwa.pdf
- https://cdn.shopify.com/s/files/1/0437/9148/3042/files/gary_moore_parisienne_walkways.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6680/files/damudibujosemofu.pdf
- https://cdn.shopify.com/s/files/1/0434/5203/9328/files/tiviboxakabiz.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9462/files/weranonavakipujulofit.pdf
- https://cdn.shopify.com/s/files/1/0440/6090/1528/files/76116686761.pdf
- https://cdn.shopify.com/s/files/1/0432/8099/0366/files/lexizorirari.pdf
- https://cdn.shopify.com/s/files/1/0432/7889/3214/files/ear_acupuncture_points_chart.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_off00005a74.bin1b1bcc0eb77350e6a2207767155c6eedd43fd92420b33bfde97358c42ba6758f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A74 | 5276 bytes |
font_01_sfnt_off00006c7e.bincd0e23e911669cdefbd5fc0d5b014f8fc62b05d5e7b88a15249424957efcbd30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C7E | 9736 bytes |
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