MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to a redirector service (ttraff.ru). The document body, though heavily obfuscated, contains keywords that appear to be SEO bait, suggesting the links are intended to mimic search results. The primary heuristic indicates a malicious redirector link was found, and the ML classifier strongly flagged this PDF as malicious. 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.ru/pify?keyword=aagadu+songs+mahesh+babu In PDF document text
- http://tojosel.planoeastbasketball.net/uploads/1/3/1/0/131070858/4eb30785.pdfIn PDF document text
- http://files.treetogrow.com/uploads/1/3/2/7/132740778/66ba90048df8b.pdfIn PDF document text
- http://vumira.marymadbaldo.com/uploads/1/3/1/4/131412032/golenapone_sodinaf_dexafiwukezokeb_zutakujidubobem.pdfIn PDF document text
- http://files.musicfromthewestcoast.com/uploads/1/3/0/7/130739616/5952019.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/1/0428/8407/1583/files/83125923329.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1771/4338/files/reverse_the_string_in_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8179/2664/files/31182282541.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/15184086702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7562/4355/files/fapuzofejed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/wiweduwafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/3496/4131/files/formal_agencies_of_education.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0721/2694/files/gibopab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/filibafawibixifixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5945/3860/files/nisizim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/kenedekadebumipabifu.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014701.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14701 | 4996 bytes |
SHA-256: 805947cff3b1edc87e13ecdab628f43a6d8ec218210589bb35f4b9b9175937b1 |
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font_01_sfnt_off000157bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157BB | 10824 bytes |
SHA-256: 3e2356b1b93112ad65f2b526d87ef617e52772afe769ad19c70375b1fe86db93 |
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font_02_sfnt_off00017cf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17CF0 | 16356 bytes |
SHA-256: 46bbbfe985f1721132bbfeed41c074629327480c253b7373acbbd00674fab52c |
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font_03_sfnt_off000192ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x192BA | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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