MALICIOUS
194
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=yii2+tutorial+pdf+download'. It also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains references to 'yii2 tutorial pdf download' and the URLs, suggesting a lure to download malicious content or be redirected to a phishing site. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=yii2+tutorial+pdf+download In PDF document text
- http://files.flxcalendar.com/uploads/1/3/0/7/130739328/lenenujeno-xanurijezexu.pdfIn PDF document text
- http://files.juniatacountytroutclub.com/uploads/1/3/1/6/131637362/4272173.pdfIn PDF document text
- http://files.zenyasastudio.com/uploads/1/3/1/8/131858661/kesajazetaleduned.pdfIn PDF document text
- http://vijibave.friendsoftosadi.com/uploads/1/3/0/7/130738779/kanuk.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/1/0437/2824/0794/files/history_capsule_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9799/5941/files/xirituzedo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0371/5481/files/vugalusumiwesaxujora.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86526592296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7614/8638/files/75931473935.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8174/1976/files/14727642032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/7309/8143/files/what_is_vz_navigator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/mil_std_810e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0276/4184/files/nitenune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9993/9235/files/30084425421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3882/4858/files/github_commands_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9712/9109/files/lupun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1266/1152/files/nabafuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8364/5599/files/1688217149.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008a91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A91 | 5044 bytes |
SHA-256: 3270cee7f9ccc6e354dfdda5aba950d2afa45ce787335881af69181e19e8288f |
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font_01_sfnt_off00009be0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BE0 | 15988 bytes |
SHA-256: feb1fd36aacf3561d030a6f71890dfc58b05e0cc43c36769ff6f2f046b5122e1 |
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