MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains the URL https://ttraff.com/wb?keyword=reading%20and%20writing%20decimals%20to%20the%20thousandths%20place%20worksheet, which is likely part of the lure. The presence of many PDF links suggests a link farm or SEO poisoning attempt to distribute 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/wb?keyword=reading%20and%20writing%20decimals%20to%20the%20thousandths%20place%20worksheet
- http://files.heartlandjungians.org/uploads/1/3/0/7/130776841/ziniruper.pdf
- http://wumifez.janebissellwriting.com/uploads/1/3/1/3/131382133/logonu_vufozurewo_pajanuvemo_dopurukuvovu.pdf
- http://files.fabiogrillo.com/uploads/1/3/0/7/130775921/pamibejuruvovozokaf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7581/4047/files/xosekunejopulusazap.pdf
- https://cdn.shopify.com/s/files/1/0436/9488/2984/files/xakorigapopad.pdf
- https://cdn.shopify.com/s/files/1/0434/0642/6275/files/85527521802.pdf
- https://cdn.shopify.com/s/files/1/0430/6731/0231/files/nuzaxukosagug.pdf
- https://cdn.shopify.com/s/files/1/0433/4590/3781/files/difumodojiberapuzos.pdf
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/rumuwozuvojidezukadisavu.pdf
- https://cdn.shopify.com/s/files/1/0428/4183/3635/files/55308092131.pdf
- https://cdn.shopify.com/s/files/1/0432/1938/6526/files/gejotifeme.pdf
- https://cdn.shopify.com/s/files/1/0438/0003/5485/files/23854319351.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/75396031763.pdf
- https://cdn.shopify.com/s/files/1/0434/4211/0625/files/numokimuv.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_off000059b3.binae47d1f0a99e6106b77343447b7ffe67c58cfdac0f922495406ce5d4c328d0a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59B3 | 5652 bytes |
font_01_sfnt_off00006cd6.bin069185c06a136ca4e334cb29e5acda3baed0c31e13a137e9704df28d9941819b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD6 | 9244 bytes |
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