MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=msa+altair+4xr+bluetooth+manual'. Additionally, it exhibits characteristics of a link farm, with numerous external PDF links. The document body, though heavily obfuscated, contains a reference to the same URL, suggesting it's the primary lure. The file's purpose appears to be directing users to malicious infrastructure under the guise of providing a manual.
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=msa+altair+4xr+bluetooth+manual In PDF document text
- http://sexuve.adventurepickle.com/uploads/1/3/1/1/131164250/tavagekifomazudepo.pdfIn PDF document text
- http://files.ilcpr.com/uploads/1/3/0/8/130813461/sakozinunogaw.pdfIn PDF document text
- http://files.sandpiperstudio-photographybychristine.com/uploads/1/3/1/3/131380063/nowugej.pdfIn PDF document text
- http://wuluna.goprofloorsllc.com/uploads/1/3/0/9/130969179/vejilabujikisozo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/2536/7193/files/vijoxotodurizexejujovizum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/wopuxibifotutolamelibu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/bible_study_topics_for_young_adults.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5655/2343/files/sedaxuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9973/2633/files/84204820084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/1834/8712/files/advantages_and_disadvantages_of_alternative_fuels.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8797/8905/files/setting_up_act_for_ffxiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9655/6191/files/subobeposik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9944/5664/files/45955189059.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7783/6702/files/33314221650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0019/6264/files/43815090591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1171/6766/files/fokugutabajunaliwas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7616/4515/files/autocad_2014_lt_64_bit_free.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_off00006e91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E91 | 5108 bytes |
SHA-256: e0effbdec5806e4b3d6b81780f0dc5cd38a7d07405c3a4689bd6c271adde7b4a |
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font_01_sfnt_off00007fc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FC9 | 10012 bytes |
SHA-256: 060d77dfa756e560ee79d4f6eaf77a2bfabc8ec665a84694303af9d28f45cf72 |
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font_02_sfnt_off0000a20a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA20A | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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