MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a deceptive lure related to 'Java application server interview questions and answers' and includes a prominent link. This link, `https://ttraff.ru/pify?keyword=java+application+server+interview+questions+and+answers`, is identified as a malicious redirector. The file also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, many of which are hosted on `cdn.shopify.com` but appear to be part of a SEO-based link generation scheme. The primary malicious activity observed is the redirection to a known malicious URL, likely to deliver a secondary payload or phish for credentials.
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.ru/pify?keyword=java+application+server+interview+questions+and+answers In PDF document text
- http://fepaxo.shamancellardoor.com/uploads/1/3/0/7/130738730/tadebeg_gikere_dopupuwivi_mavirudig.pdfIn PDF document text
- http://wafogo.custercadet.com/uploads/1/3/0/8/130874426/c556d2bc7d14e.pdfIn PDF document text
- http://files.balkanhistory.org/uploads/1/3/1/3/131384679/5414953.pdfIn PDF document text
- http://piwule.travelswithtom.com/uploads/1/3/0/7/130738615/kudiraj_rasidusum_fadexojoj.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/1/0429/5337/5897/files/89078549757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0256/7588/files/tugamevab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6348/4315/files/anti_aging_herbs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8127/7342/files/jenonagatoremokipaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3981/files/retinoblastoma_usu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3939/0872/files/50534251201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/kuzinuwun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8814/0696/files/bisirokufum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7124/2389/files/xamiran.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5567/6580/files/intervalve_butterfly_valve_catalogue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1620/8036/files/dibujo_tecnico_de_arquitectura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5222/1091/files/69083388904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0298/5622/files/join_query_in_sql.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7935/1968/files/alexander_s_ragtime_band_sheet_music.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_off0000be24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE24 | 5336 bytes |
SHA-256: 8b95d8f82e60f326079ecc5690d57adfff317af50ee4b960ac8619ed3589a279 |
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font_01_sfnt_off0000d05f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD05F | 13072 bytes |
SHA-256: 3b96bb0657641b33bf979fdf3845b56b7c1e33c2d499dbf74a2a8a9da2044fa4 |
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