MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=take+five+guitar+tab'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links hosted on cdn.shopify.com, some of which are confirmed benign but others are unknown. The presence of a 'download button' heuristic suggests a social engineering lure. No scripts were extracted, but the primary attack vector appears to be directing users to malicious infrastructure via a deceptive link.
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=take+five+guitar+tab In PDF document text
- http://files.nickelfurniture.com/uploads/1/3/1/8/131871970/rojesejibaredu.pdfIn PDF document text
- http://vujexon.resonancehealing.com/uploads/1/3/1/0/131070450/3358220.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/1/0435/5502/9141/files/mubolajosorufulob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7556/7770/files/bimusofivep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/jacky_cheung_you_tube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2023/7475/files/pakav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6874/4087/files/the_theory_of_relativity_and_a_priori_knowledge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/9549176649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6957/0198/files/lamemunorufugijimirid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fuxojusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/gemstones_of_the_world_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2017/2960/files/relubiva.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
🗂 Part of campaign:
colinacounseling.org
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000597c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x597C | 4604 bytes |
SHA-256: dd0bd33e704094397847bcc212c768ef0724ad13414a127da27b3b4e55db9e68 |
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font_01_sfnt_off00006947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6947 | 13904 bytes |
SHA-256: 8a2f74231cd3c731092775fd00b7349cf6aafd29c48e973ca52922b1eedd0f4d |
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font_02_sfnt_off0000959a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x959A | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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