MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text related to a quiz and the malicious URL, suggesting a lure to direct users to potentially harmful content or to download further malware.
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=possessive+adjectives+spanish+quiz+pdf
- http://files.anitaayersministries.com/uploads/1/3/0/7/130775518/5260826.pdf
- http://files.sevensisterscameraclub.co.uk/uploads/1/3/1/4/131406082/10572.pdf
- http://files.finefoliage.com.au/uploads/1/3/0/8/130874240/wabifuperozukaw-gapovazejepexu-riwogusunofil-ruroposisimozej.pdf
- http://files.rachelgrubbmusic.com/uploads/1/3/2/3/132302940/5652406.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7238/8246/files/mujitepemivemone.pdf
- https://cdn.shopify.com/s/files/1/0429/2778/4095/files/84621110270.pdf
- https://cdn.shopify.com/s/files/1/0434/3513/1046/files/3499651635.pdf
- https://cdn.shopify.com/s/files/1/0431/2429/3796/files/kidokotojaberovunuvafe.pdf
- https://cdn.shopify.com/s/files/1/0434/2880/6807/files/15903981991.pdf
- https://cdn.shopify.com/s/files/1/0441/2784/6552/files/33042516509.pdf
- https://cdn.shopify.com/s/files/1/0433/6192/7318/files/22215668824.pdf
- https://cdn.shopify.com/s/files/1/0432/1175/1588/files/92106027151.pdf
- https://cdn.shopify.com/s/files/1/0432/0804/8808/files/8064955112.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_off00006dae.bin6d207d352128b144366b1ab97bbc3177cf3f1886c44f10d32fcda853eac1e0dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DAE | 5428 bytes |
font_01_sfnt_off00008042.bin78011f3b91a9f00d12d38b2d6a2ac524d657df9fdca5a4d534507a4a59ca4566 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8042 | 14612 bytes |
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