MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.cc. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on Shopify. The document body, though heavily obfuscated, contains text related to 'fastest android emulator for pc 2019', suggesting a lure. The presence of a 'download button' heuristic further supports the malicious intent of directing users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=fastest+android+emulator+for+pc+2019 In PDF document text
- http://files.nzwfd.co.nz/uploads/1/3/2/6/132695602/votepexasiliv-lupagisali-dorum-potukunavez.pdfIn PDF document text
- http://files.chicouta.org/uploads/1/3/0/8/130813413/lovaserijazupusaxa.pdfIn PDF document text
- http://files.columbianacoc.com/uploads/1/3/1/6/131637163/8c35b74b.pdfIn PDF document text
- http://files.designmendola.com/uploads/1/3/0/7/130740512/xejuliwe_natofedunigumum.pdfIn PDF document text
- http://files.neverthelessshecomposed.org/uploads/1/3/0/8/130874148/dogotani.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/zalotamigoxazusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/zosisogedapasesej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9498/1273/files/guxonosatitivugexosanebun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/domimoset.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6278/0311/files/bunegunipisemabedumuponez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2537/5127/files/57041334993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1698/5498/files/67117259016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/notebogibow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1891/0870/files/redoziwarejipivaletow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/bunofugafunenezamumeti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/49967681519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/joxumajamelubugebidor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0064/3236/files/tegifuramubuxiwimo.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008930.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8930 | 5620 bytes |
SHA-256: e357264b9f0bdc720c6b7b9038e1ea87869963a86cf9fb45688b52a641081db1 |
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font_01_sfnt_off00009c28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C28 | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off0000a4b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4B5 | 10420 bytes |
SHA-256: df9b74771b424d10c4f53d9198834c7723726108f5127dc5bae6cab0a18193b4 |
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