MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to be related to a worksheet, suggesting a lure for users. The presence of numerous external links, many hosted on Shopify, indicates a potential link farm or SEO spam operation.
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=personality+adjectives+worksheet+intermediate+pdf
- http://files.faithutah.com/uploads/1/3/1/4/131483343/6805518.pdf
- http://files.maclucille.com/uploads/1/3/2/6/132682905/gobikonuru_bekezuxal.pdf
- http://files.stlukeslanesboro.org/uploads/1/3/0/8/130814101/josulajosam_kivijiri_lozibaf_nijozu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8935/4142/files/gerewiposakujoguripudu.pdf
- https://cdn.shopify.com/s/files/1/0433/9073/0405/files/genasebufita.pdf
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/81496608840.pdf
- https://cdn.shopify.com/s/files/1/0429/2391/7478/files/55320022515.pdf
- https://cdn.shopify.com/s/files/1/0429/5963/4591/files/pavenisolepomedolodi.pdf
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/35701091912.pdf
- https://cdn.shopify.com/s/files/1/0433/5802/7928/files/79160143488.pdf
- https://cdn.shopify.com/s/files/1/0429/8407/9523/files/90476441996.pdf
- https://cdn.shopify.com/s/files/1/0431/4365/9677/files/31274562756.pdf
- https://cdn.shopify.com/s/files/1/0431/7826/2692/files/47598749541.pdf
- https://cdn.shopify.com/s/files/1/0434/3706/4344/files/pofomotamuvive.pdf
- https://cdn.shopify.com/s/files/1/0430/0092/2261/files/94414020845.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_off00005ac4.binc2f187036363da5704a6f75faa213fffd4a8a95d7b88bcdae393c2f1b7c77201 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AC4 | 5576 bytes |
font_01_sfnt_off00006da6.bin99cf40cfcbfb52814b90b33c6dfc4c3b64137d5bf47b53e3cfdce9cdda92437d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DA6 | 9532 bytes |
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