MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, forming a link farm. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=stories+in+spanish+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting the primary intent is to redirect users to malicious infrastructure via a lure of a 'stories in spanish pdf'.
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.ru/pify?keyword=stories+in+spanish+pdf
- http://files.drivinglessonsrichmond.com/uploads/1/3/2/6/132695200/pofonipo.pdf
- http://files.thedepontes.com/uploads/1/3/1/4/131437378/kugidi-fibew-govefemarifobir-tugubunebin.pdf
- http://files.dcarroll.org/uploads/1/3/0/9/130969389/cc62b24dd0889e.pdf
- http://files.thpulse.com/uploads/1/3/1/8/131856492/b83177e26edd6b.pdf
- https://cdn.shopify.com/s/files/1/0431/6105/9482/files/miwez.pdf
- https://cdn.shopify.com/s/files/1/0429/5272/0543/files/92166972719.pdf
- https://cdn.shopify.com/s/files/1/0431/2789/8268/files/56725302952.pdf
- https://cdn.shopify.com/s/files/1/0431/0453/4692/files/xinuf.pdf
- https://cdn.shopify.com/s/files/1/0437/8735/4270/files/14262774438.pdf
- https://cdn.shopify.com/s/files/1/0431/4929/5770/files/60613917539.pdf
- https://cdn.shopify.com/s/files/1/0431/1928/0288/files/suwuniwabatovonefuzu.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4032/files/sapimisutigowamomibovo.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/gutimavabugikedatudagafin.pdf
- https://cdn.shopify.com/s/files/1/0437/6271/2734/files/kedetitusawa.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/lezerajodivu.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_off00007796.binea61b47cbce94c326c9d4b134d58432af75f7e34b2438e153e19ffdfd177abb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7796 | 5200 bytes |
font_01_sfnt_off0000893d.bin50cf4d881539ef7e7af1ad08174e434c6cf257e6079441201653644be5978b50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x893D | 10304 bytes |
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