MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, identified as a link farm, with a critical heuristic firing for a malicious redirector. The document body, though partially garbled, contains the URL https://ttraff.com/wb?keyword=dunlop%20belt%20conveyor%20design%20manual, which is flagged as malicious. The ML classifier also strongly indicated maliciousness.
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=dunlop%20belt%20conveyor%20design%20manual
- http://files.wildwholeandhealthy.com/uploads/1/3/0/7/130738836/mebuwewabutuliz.pdf
- http://files.kgdtranslation.com/uploads/1/3/0/9/130969498/gerupijaje_jipotojunuguda.pdf
- http://fipuraref.glenfieldmethodistchurch.org/uploads/1/3/0/8/130874493/tuzeruxevevebelade.pdf
- http://files.countryhides.com/uploads/1/3/0/7/130739024/2a98ea.pdf
- https://cdn.shopify.com/s/files/1/0428/7909/0854/files/accounts_format.pdf
- https://cdn.shopify.com/s/files/1/0438/4469/8272/files/dysfunctional_uterine_bleeding_2020.pdf
- https://cdn.shopify.com/s/files/1/0437/8938/5888/files/46790891678.pdf
- https://cdn.shopify.com/s/files/1/0433/5196/5855/files/zezavugefalibisox.pdf
- https://cdn.shopify.com/s/files/1/0439/6033/6542/files/dokepufuka.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesuwalaloluxafim.pdf
- https://cdn.shopify.com/s/files/1/0435/6653/0728/files/3959942744.pdf
- https://cdn.shopify.com/s/files/1/0431/0702/5056/files/55872951970.pdf
- https://cdn.shopify.com/s/files/1/0434/2602/1527/files/31270682073.pdf
- https://cdn.shopify.com/s/files/1/0437/1510/0840/files/adobe_acrobat_standard_2020_flatten.pdf
- https://cdn.shopify.com/s/files/1/0432/0968/7208/files/31709739247.pdf
- https://cdn.shopify.com/s/files/1/0431/6325/4944/files/98735164152.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_off0000c15c.bin0619f919076ac20624c035b3898ab9524a930d14a33bf4a80202a6529ba37609 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC15C | 5696 bytes |
font_01_sfnt_off0000d4af.bina19eee39ff571d55e682a4ea5df313b33d116d36dcc23920a4789e2c7d7af208 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4AF | 15520 bytes |
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